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Core Parts of Axis2. This includes Axis2 engine, Client API, Addressing support, etc.,

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


package org.apache.axis2.deployment;

import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
import org.apache.axis2.classloader.JarFileClassLoader;
import org.apache.axis2.Constants;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ServiceContext;
import org.apache.axis2.deployment.repository.util.ArchiveReader;
import org.apache.axis2.deployment.repository.util.DeploymentFileData;
import org.apache.axis2.deployment.repository.util.WSInfo;
import org.apache.axis2.deployment.resolver.AARBasedWSDLLocator;
import org.apache.axis2.deployment.resolver.AARFileBasedURIResolver;
import org.apache.axis2.deployment.scheduler.DeploymentIterator;
import org.apache.axis2.deployment.scheduler.Scheduler;
import org.apache.axis2.deployment.scheduler.SchedulerTask;
import org.apache.axis2.deployment.util.Utils;
import org.apache.axis2.description.AxisModule;
import org.apache.axis2.description.AxisOperation;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.AxisServiceGroup;
import org.apache.axis2.description.Flow;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.description.WSDL11ToAxisServiceBuilder;
import org.apache.axis2.description.WSDL2Constants;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.axis2.engine.MessageReceiver;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.util.JavaUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;

public abstract class DeploymentEngine implements DeploymentConstants {
    private static final Log log = LogFactory.getLog(DeploymentEngine.class);

    //to keep the web resource location if any
    protected static String webLocationString = null;
    protected Scheduler scheduler;

    public static void setWebLocationString(String webLocationString) {
        DeploymentEngine.webLocationString = webLocationString;
    }


    /**
     * Support for hot update is controlled by this flag
     */
    protected boolean hotUpdate = true;

    /**
     * Support for hot deployment is controlled by this flag
     */
    protected boolean hotDeployment = true;

    /**
     * Stores all the web Services to deploy.
     */
    protected List wsToDeploy = new ArrayList();

    /**
     * Stores all the web Services to undeploy.
     */
    protected List wsToUnDeploy = new ArrayList();

    /**
     * to keep a ref to engine register
     * this ref will pass to engine when it call start()
     * method
     */
    protected AxisConfiguration axisConfig;

    protected ConfigurationContext configContext;

    protected RepositoryListener repoListener;

    protected String servicesPath = null;
    protected File servicesDir = null;
    protected String modulesPath = null;
    protected File modulesDir = null;
    private File repositoryDir = null;

    //to deploy service (both aar and expanded)
    protected ServiceDeployer serviceDeployer;
    //To deploy modules (both mar and expanded)
    protected ModuleDeployer moduleDeployer;

    //to keep map of which deployer can process which file extension ,
    // for example ServiceDeployer will process .aar file
    private HashMap extensionToDeployerMappingMap = new HashMap();
    
    private Map> deployerMap = new HashMap>();

    public void loadServices() {
        repoListener.checkServices();
        if (hotDeployment) {
            startSearch(repoListener);
        }
    }

    public void loadRepository(String repoDir) throws DeploymentException {
        File axisRepo = new File(repoDir);
        if (!axisRepo.exists()) {
            throw new DeploymentException(
                    Messages.getMessage("cannotfindrepo", repoDir));
        }
        setDeploymentFeatures();
        prepareRepository(repoDir);
        // setting the CLs
        setClassLoaders(repoDir);
        repoListener = new RepositoryListener(this, false);
        org.apache.axis2.util.Utils
                .calculateDefaultModuleVersion(axisConfig.getModules(), axisConfig);
        try {
            try {
                axisConfig.setRepository(axisRepo.toURL());
            } catch (MalformedURLException e) {
                log.info(e.getMessage());
            }
            axisConfig.validateSystemPredefinedPhases();
        } catch (AxisFault axisFault) {
            throw new DeploymentException(axisFault);
        }
    }

    public void loadFromClassPath() throws DeploymentException {
        //loading modules from the classpath
        new RepositoryListener(this, true);
        org.apache.axis2.util.Utils.calculateDefaultModuleVersion(
                axisConfig.getModules(), axisConfig);
        axisConfig.validateSystemPredefinedPhases();
        try {
            engageModules();
        } catch (AxisFault axisFault) {
            log.info(Messages.getMessage(DeploymentErrorMsgs.MODULE_VALIDATION_FAILED,
                                         axisFault.getMessage()));
            throw new DeploymentException(axisFault);
        }
    }

    private void loadCustomServices(URL repoURL){
        for (Map.Entry> entry : getDeployers().entrySet()) {
            String directory = entry.getKey();
            Map extensionMap = entry.getValue();
            try {
                String listName;
                if (!directory.endsWith("/")) {
                    listName = directory + ".list";
                    directory += "/";
                } else {
                    listName = directory.replaceAll("/","") + ".list";
                }
                String repoPath = repoURL.getPath();
                if (!repoPath.endsWith("/")) {
                    repoPath += "/";
                    repoURL = new URL(repoURL.getProtocol() + "://" + repoPath);
                }

                URL servicesDir = new URL(repoURL, directory);
                URL filelisturl = new URL(servicesDir, listName);
                ArrayList files = getFileList(filelisturl);
                for (int i = 0; i < files.size(); i++) {
                    String fileName = (String) files.get(i);
                    String extension = getExtension(fileName);
                    Deployer deployer = extensionMap.get(extension);
                    if (deployer == null) {
                        continue;
                    }
                    URL servicesURL = new URL(servicesDir, fileName);

                    // We are calling reflection code here , to avoid changes to the interface
                    Class classToLoad = deployer.getClass();
                    // We can not call classToLoad.getDeclaredMethed() , since there
                    //  can be insatnce where mutiple services extends using one class
                    // just for init and other reflection methods
                    Method method = null;
                    try {
                        method = classToLoad.getMethod("deployFromURL", new Class[]{URL.class});
                    } catch (Exception e) {
                        //We do not need to inform this to user , since this something
                        // Axis2 is checking to support Session. So if the method is
                        // not there we should ignore that
                    }
                    if (method != null) {
                        try {
                            method.invoke(deployer, new Object[]{servicesURL});
                        } catch (Exception e) {
                            log.info("Exception trying to call " + "deployFromURL for the deployer" + deployer.getClass() , e);
                        }
                    }
                }

            } catch (MalformedURLException e) {
                //I am just ignoring the error at the moment , but need to think how to handle this
            }

        }
    }

    private String getExtension(String fileName){
        int lastIndex = fileName.lastIndexOf(".");
        return fileName.substring(lastIndex +1);
    }

    public void loadServicesFromUrl(URL repoURL) {
        try {
            String path = servicesPath == null ? DeploymentConstants.SERVICE_PATH : servicesPath;
            if (!path.endsWith("/")) {
                path += "/";
            }
            String repoPath = repoURL.getPath();
            if (!repoPath.endsWith("/")) {
                repoPath += "/";
                repoURL = new URL(repoURL.getProtocol() + "://" + repoPath);
            }
            URL servicesDir = new URL(repoURL, path);
            URL filelisturl = new URL(servicesDir, "services.list");
            ArrayList files = getFileList(filelisturl);

            for (Iterator fileIterator = files.iterator();
                 fileIterator.hasNext();) {
                String fileUrl = (String) fileIterator.next();
                if (fileUrl.endsWith(".aar")) {
                    AxisServiceGroup serviceGroup = new AxisServiceGroup();
                    URL servicesURL = new URL(servicesDir, fileUrl);
                    ArrayList servicelist =
                            populateService(serviceGroup,
                                            servicesURL,
                                            fileUrl.substring(0, fileUrl.indexOf(".aar")));
                    addServiceGroup(serviceGroup, servicelist, servicesURL, null, axisConfig);
                    log.info(Messages.getMessage(DeploymentErrorMsgs.DEPLOYING_WS,
                                                 serviceGroup.getServiceGroupName(),
                                                 servicesURL.toString()));
                }
            }
            //Loading other type of services such as custom deployers
            loadCustomServices(repoURL);
        } catch (MalformedURLException e) {
            log.error(e.getMessage(), e);
        } catch (IOException e) {
            log.error(e.getMessage(), e);
        }
    }

    public void loadRepositoryFromURL(URL repoURL) throws DeploymentException {
        try {
            String path = modulesPath == null ? DeploymentConstants.MODULE_PATH : modulesPath;
            if (!path.endsWith("/")) {
                path = path + "/";
            }
            String repoPath = repoURL.getPath();
            if (!repoPath.endsWith("/")) {
                repoPath += "/";
                repoURL = new URL(repoURL.getProtocol() + "://" + repoPath);
            }
            URL moduleDir = new URL(repoURL, path);
            URL filelisturl = new URL(moduleDir, "modules.list");
            ArrayList files = getFileList(filelisturl);
            Iterator fileIterator = files.iterator();
            while (fileIterator.hasNext()) {
                String fileUrl = (String) fileIterator.next();
                if (fileUrl.endsWith(".mar")) {
                    URL moduleurl = new URL(moduleDir, fileUrl);
                    ClassLoader deploymentClassLoader =
                            Utils.createClassLoader(
                                    new URL[]{moduleurl},
                                    axisConfig.getModuleClassLoader(),
                                    true,
                                    (File) axisConfig.getParameterValue(Constants.Configuration.ARTIFACTS_TEMP_DIR));
                    AxisModule module = new AxisModule();
                    module.setModuleClassLoader(deploymentClassLoader);
                    module.setParent(axisConfig);
                    String moduleFile = fileUrl.substring(0, fileUrl.indexOf(".mar"));
                    module.setArchiveName(moduleFile);
                    populateModule(module, moduleurl);
                    module.setFileName(moduleurl);
                    addNewModule(module, axisConfig);
                    log.info(Messages.getMessage(DeploymentErrorMsgs.DEPLOYING_MODULE,
                                                 module.getArchiveName(),
                                                 moduleurl.toString()));
                }
            }
            org.apache.axis2.util.Utils.
                    calculateDefaultModuleVersion(axisConfig.getModules(), axisConfig);
            axisConfig.validateSystemPredefinedPhases();
        } catch (MalformedURLException e) {
            throw new DeploymentException(e);
        } catch (IOException e) {
            throw new DeploymentException(e);
        }
    }

    private void populateModule(AxisModule module, URL moduleUrl) throws DeploymentException {
        try {
            ClassLoader classLoader = module.getModuleClassLoader();
            InputStream moduleStream = classLoader.getResourceAsStream("META-INF/module.xml");
            if (moduleStream == null) {
                moduleStream = classLoader.getResourceAsStream("meta-inf/module.xml");
            }
            if (moduleStream == null) {
                throw new DeploymentException(
                        Messages.getMessage(
                                DeploymentErrorMsgs.MODULE_XML_MISSING, moduleUrl.toString()));
            }
            ModuleBuilder moduleBuilder = new ModuleBuilder(moduleStream, module, axisConfig);
            moduleBuilder.populateModule();
        } catch (IOException e) {
            throw new DeploymentException(e);
        }
    }

    protected ArrayList populateService(AxisServiceGroup serviceGroup,
                                        URL servicesURL,
                                        String serviceName) throws DeploymentException {
        try {
            serviceGroup.setServiceGroupName(serviceName);
            ClassLoader serviceClassLoader = Utils.createClassLoader(
                    new URL[]{servicesURL},
                    axisConfig.getServiceClassLoader(),
                    true,
                    (File) axisConfig.getParameterValue(Constants.Configuration.ARTIFACTS_TEMP_DIR));
            String metainf = "meta-inf";
            serviceGroup.setServiceGroupClassLoader(serviceClassLoader);
            //processing wsdl.list
            InputStream wsdlfilesStream =
                    serviceClassLoader.getResourceAsStream("meta-inf/wsdl.list");
            if (wsdlfilesStream == null) {
                wsdlfilesStream = serviceClassLoader.getResourceAsStream("META-INF/wsdl.list");
                if (wsdlfilesStream != null) {
                    metainf = "META-INF";
                }
            }
            HashMap servicesMap = new HashMap();
            if (wsdlfilesStream != null) {
                ArchiveReader reader = new ArchiveReader();
                BufferedReader input = new BufferedReader(new InputStreamReader(wsdlfilesStream));
                String line;
                while ((line = input.readLine()) != null) {
                    line = line.trim();
                    if (line.length() > 0 && line.charAt(0)!='#') {
                        line = metainf + "/" + line;
                        try {
                            List services = reader.getAxisServiceFromWsdl(
                                    serviceClassLoader.getResourceAsStream(line),
                                    serviceClassLoader, line);
                            if (services != null) {
                                for (int i = 0; i < services.size(); i++) {
                                    AxisService axisService = (AxisService) services.get(i);
                                    servicesMap.put(axisService.getName(), axisService);
                                }
                            }

                        } catch (Exception e) {
                            throw new DeploymentException(e);
                        }
                    }
                }
            }
            InputStream servicexmlStream =
                    serviceClassLoader.getResourceAsStream("META-INF/services.xml");
            if (servicexmlStream == null) {
                servicexmlStream = serviceClassLoader.getResourceAsStream("meta-inf/services.xml");
            } else {
                metainf = "META-INF";
            }
            if (servicexmlStream == null) {
                throw new DeploymentException(
                        Messages.getMessage(DeploymentErrorMsgs.SERVICE_XML_NOT_FOUND,
                                            servicesURL.toString()));
            }
            DescriptionBuilder builder = new DescriptionBuilder(servicexmlStream, configContext);
            OMElement rootElement = builder.buildOM();
            String elementName = rootElement.getLocalName();

            if (TAG_SERVICE.equals(elementName)) {
                AxisService axisService = null;
                String wsdlLocation =  "META-INF/service.wsdl";
                InputStream wsdlStream =
                        serviceClassLoader.getResourceAsStream(wsdlLocation);
                URL wsdlURL = serviceClassLoader.getResource(metainf + "/service.wsdl");
                if (wsdlStream == null) {
                    wsdlLocation =  "META-INF/" + serviceName + ".wsdl";
                    wsdlStream = serviceClassLoader
                            .getResourceAsStream(wsdlLocation);
                    wsdlURL = serviceClassLoader.getResource(wsdlLocation);
                }
                if (wsdlStream != null) {
                    WSDL11ToAxisServiceBuilder wsdl2AxisServiceBuilder =
                            new WSDL11ToAxisServiceBuilder(wsdlStream, null, null);
                    File file = Utils.toFile(servicesURL);
                    if(file != null && file.exists()){
                        wsdl2AxisServiceBuilder.setCustomWSLD4JResolver(
                                    new AARBasedWSDLLocator(wsdlLocation, file, wsdlStream));
                        wsdl2AxisServiceBuilder.setCustomResolver(
                                new AARFileBasedURIResolver(file));
                    }
                    if (wsdlURL != null) {
                        wsdl2AxisServiceBuilder.setDocumentBaseUri(wsdlURL.toString());
                    }
                    axisService = wsdl2AxisServiceBuilder.populateService();
                    axisService.setWsdlFound(true);
                    axisService.setCustomWsdl(true);
                    axisService.setName(serviceName);
                }
                if (axisService == null) {
                    axisService = new AxisService(serviceName);
                }

                axisService.setParent(serviceGroup);
                axisService.setClassLoader(serviceClassLoader);

                ServiceBuilder serviceBuilder = new ServiceBuilder(configContext, axisService);
                AxisService service = serviceBuilder.populateService(rootElement);

                ArrayList serviceList = new ArrayList();
                serviceList.add(service);
                return serviceList;
            } else if (TAG_SERVICE_GROUP.equals(elementName)) {
                ServiceGroupBuilder groupBuilder = new ServiceGroupBuilder(rootElement, servicesMap,
                                                                           configContext);
                ArrayList servicList = groupBuilder.populateServiceGroup(serviceGroup);
                Iterator serviceIterator = servicList.iterator();
                while (serviceIterator.hasNext()) {
                    AxisService axisService = (AxisService) serviceIterator.next();
                    String wsdlLocation =  "META-INF/service.wsdl";
                    InputStream wsdlStream =
                            serviceClassLoader.getResourceAsStream(wsdlLocation);
                    URL wsdlURL = serviceClassLoader.getResource(wsdlLocation);
                    if (wsdlStream == null) {
                        wsdlLocation =  "META-INF/" + serviceName + ".wsdl";
                        wsdlStream = serviceClassLoader
                                .getResourceAsStream(wsdlLocation);
                        wsdlURL =
                                serviceClassLoader.getResource(wsdlLocation);
                    }
                    if (wsdlStream != null) {
                        WSDL11ToAxisServiceBuilder wsdl2AxisServiceBuilder =
                                new WSDL11ToAxisServiceBuilder(wsdlStream, axisService);
                        File file = Utils.toFile(servicesURL);
                        if(file != null && file.exists()){
                            wsdl2AxisServiceBuilder.setCustomWSLD4JResolver(
                                        new AARBasedWSDLLocator(wsdlLocation, file, wsdlStream));
                            wsdl2AxisServiceBuilder.setCustomResolver(
                                    new AARFileBasedURIResolver(file));
                        }
                        if (wsdlURL != null) {
                            wsdl2AxisServiceBuilder.setDocumentBaseUri(wsdlURL.toString());
                        }
                        axisService = wsdl2AxisServiceBuilder.populateService();
                        axisService.setWsdlFound(true);
                        axisService.setCustomWsdl(true);
                        // Set the default message receiver for the operations that were
                        // not listed in the services.xml
                        Iterator operations = axisService.getOperations();
                        while (operations.hasNext()) {
                            AxisOperation operation = (AxisOperation) operations.next();
                            if (operation.getMessageReceiver() == null) {
                                operation.setMessageReceiver(loadDefaultMessageReceiver(
                                        operation.getMessageExchangePattern(), axisService));
                            }
                        }
                    }
                }
                return servicList;
            }
        } catch (IOException e) {
            throw new DeploymentException(e);
        } catch (XMLStreamException e) {
            throw new DeploymentException(e);
        }
        return null;
    }

    protected MessageReceiver loadDefaultMessageReceiver(String mepURL, AxisService service) {
        MessageReceiver messageReceiver;
        if (mepURL == null) {
            mepURL = WSDL2Constants.MEP_URI_IN_OUT;
        }
        if (service != null) {
            messageReceiver = service.getMessageReceiver(mepURL);
            if (messageReceiver != null) {
                return messageReceiver;
            }
        }
        return axisConfig.getMessageReceiver(mepURL);
    }

    public static void addNewModule(AxisModule modulemetadata,
                                    AxisConfiguration axisConfiguration) throws AxisFault {

        Flow inflow = modulemetadata.getInFlow();
        ClassLoader moduleClassLoader = modulemetadata.getModuleClassLoader();

        if (inflow != null) {
            Utils.addFlowHandlers(inflow, moduleClassLoader);
        }

        Flow outFlow = modulemetadata.getOutFlow();

        if (outFlow != null) {
            Utils.addFlowHandlers(outFlow, moduleClassLoader);
        }

        Flow faultInFlow = modulemetadata.getFaultInFlow();

        if (faultInFlow != null) {
            Utils.addFlowHandlers(faultInFlow, moduleClassLoader);
        }

        Flow faultOutFlow = modulemetadata.getFaultOutFlow();

        if (faultOutFlow != null) {
            Utils.addFlowHandlers(faultOutFlow, moduleClassLoader);
        }

        axisConfiguration.addModule(modulemetadata);
        log.debug(Messages.getMessage(DeploymentErrorMsgs.ADDING_NEW_MODULE));
    }

    public static void addServiceGroup(AxisServiceGroup serviceGroup,
                                       ArrayList serviceList,
                                       URL serviceLocation,
                                       DeploymentFileData currentDeploymentFile,
                                       AxisConfiguration axisConfiguration) throws AxisFault {
        fillServiceGroup(serviceGroup, serviceList, serviceLocation, axisConfiguration);
        axisConfiguration.addServiceGroup(serviceGroup);
        if (currentDeploymentFile != null) {
            addAsWebResources(currentDeploymentFile.getFile(),
                              serviceGroup.getServiceGroupName(), serviceGroup);
        }
    }

    protected static void fillServiceGroup(AxisServiceGroup serviceGroup,
                                           ArrayList serviceList,
                                           URL serviceLocation,
                                           AxisConfiguration axisConfig) throws AxisFault {
//        serviceGroup.setParent(axisConfig);
        // module from services.xml at serviceGroup level
        ArrayList groupModules = serviceGroup.getModuleRefs();
        serviceGroup.setParent(axisConfig);
        for (int i = 0; i < groupModules.size(); i++) {
            String moduleName = (String) groupModules.get(i);
            AxisModule module = axisConfig.getModule(moduleName);

            if (module != null) {
                serviceGroup.engageModule(axisConfig.getModule(moduleName));
            } else {
                throw new DeploymentException(
                        Messages.getMessage(
                                DeploymentErrorMsgs.BAD_MODULE_FROM_SERVICE,
                                serviceGroup.getServiceGroupName(), moduleName));
            }
        }

        Iterator services = serviceList.iterator();

        while (services.hasNext()) {
            AxisService axisService = (AxisService) services.next();
            axisService.setUseDefaultChains(false);

            axisService.setFileName(serviceLocation);
            serviceGroup.addService(axisService);

            // modules from 
            ArrayList list = axisService.getModules();

            for (int i = 0; i < list.size(); i++) {
                AxisModule module = axisConfig.getModule((String) list.get(i));

                if (module == null) {
                    throw new DeploymentException(
                            Messages.getMessage(
                                    DeploymentErrorMsgs.BAD_MODULE_FROM_SERVICE,
                                    axisService.getName(),
                                    ((QName) list.get(i)).getLocalPart()));
                }

                axisService.engageModule(module);
            }

            for (Iterator iterator = axisService.getOperations(); iterator.hasNext();) {
                AxisOperation opDesc = (AxisOperation) iterator.next();
                ArrayList modules = opDesc.getModuleRefs();

                for (int i = 0; i < modules.size(); i++) {
                    String moduleName = (String) modules.get(i);
                    AxisModule module = axisConfig.getModule(moduleName);

                    if (module != null) {
                        opDesc.engageModule(module);
                    } else {
                        throw new DeploymentException(
                                Messages.getMessage(
                                        DeploymentErrorMsgs.BAD_MODULE_FROM_OPERATION,
                                        opDesc.getName().getLocalPart(),
                                        moduleName));
                    }
                }
            }
        }
    }

    /**
     * @param file ArchiveFileData
     */
    public void addWSToDeploy(DeploymentFileData file) {
        wsToDeploy.add(file);
    }

    /**
     * @param file WSInfo
     */
    public void addWSToUndeploy(WSInfo file) {
        wsToUnDeploy.add(file);
    }

    public void doDeploy() {
        try {
            if (wsToDeploy.size() > 0) {
                for (int i = 0; i < wsToDeploy.size(); i++) {
                    DeploymentFileData fileToDeploy = (DeploymentFileData) wsToDeploy.get(i);
                    try {
                        fileToDeploy.deploy();
                    } catch (DeploymentException e) {
                        // TODO : This probably isn't sufficient.  Maybe provide an option to stop?
                        log.info(e);
                    }
                }
            }
        } finally {
            wsToDeploy.clear();
        }
    }

    /**
     * Checks if the modules, referred by server.xml, exist or that they are deployed.
     *
     * @throws org.apache.axis2.AxisFault : If smt goes wrong
     */
    public void engageModules() throws AxisFault {
        axisConfig.engageGlobalModules();
    }

    /**
     * To get AxisConfiguration for a given inputStream this method can be used.
     * The inputstream should be a valid axis2.xml , else you will be getting
     * DeploymentExceptions.
     * 

* First creat a AxisConfiguration using given inputSream , and then it will * try to find the repository location parameter from AxisConfiguration, so * if user has add a parameter with the name "repository" , then the value * specified by that parameter will be the repository and system will try to * load modules and services from that repository location if it a valid * location. hot deployment and hot update will work as usual in this case. *

* You will be getting AxisConfiguration corresponding to given inputstream * if it is valid , if something goes wrong you will be getting * DeploymentException * * @param in : InputStream to axis2.xml * @return a populated AxisConfiguration * @throws DeploymentException : If something goes wrong */ public AxisConfiguration populateAxisConfiguration(InputStream in) throws DeploymentException { axisConfig = new AxisConfiguration(); AxisConfigBuilder builder = new AxisConfigBuilder(in, axisConfig, this); builder.populateConfig(); try { if (in != null) { in.close(); } } catch (IOException e) { log.info("error in closing input stream"); } moduleDeployer = new ModuleDeployer(axisConfig); return axisConfig; } /** * Starts the Deployment engine to perform Hot deployment and so on. * * @param listener : RepositoryListener */ protected void startSearch(RepositoryListener listener) { scheduler = new Scheduler(); scheduler.schedule(new SchedulerTask(listener), new DeploymentIterator()); } public void unDeploy() { try { if (wsToUnDeploy.size() > 0) { for (int i = 0; i < wsToUnDeploy.size(); i++) { WSInfo wsInfo = (WSInfo) wsToUnDeploy.get(i); if (wsInfo.getType() == WSInfo.TYPE_SERVICE) { //No matter what we need to undeploy the service // if user has deleted the file from the repository serviceDeployer.unDeploy(wsInfo.getFileName()); } else { //We need to undeploy the service whether we have enable hotUpdate or not , // o.w what happen if someone delete the service from the repo Deployer deployer = wsInfo.getDeployer(); if (deployer != null) { deployer.unDeploy(wsInfo.getFileName()); } } } } } catch (Exception e) { log.info(e); } wsToUnDeploy.clear(); } /** * Gets AxisConfiguration. * * @return AxisConfiguration AxisConfiguration */ public AxisConfiguration getAxisConfig() { return axisConfig; } /** * Retrieves service name from the archive file name. * If the archive file name is service1.aar , then axis2 service name would be service1 * * @param fileName the archive file name * @return Returns String. */ public static String getAxisServiceName(String fileName) { char seperator = '.'; String value; int index = fileName.lastIndexOf(seperator); if (index > 0) { value = fileName.substring(0, index); return value; } return fileName; } public AxisModule getModule(String moduleName) throws AxisFault { return axisConfig.getModule(moduleName); } public boolean isHotUpdate() { return hotUpdate; } private static void addAsWebResources(File in, String serviceFileName, AxisServiceGroup serviceGroup) { try { if (webLocationString == null) { return; } if (in.isDirectory()) { return; } File webLocation = new File(webLocationString); File out = new File(webLocation, serviceFileName); int BUFFER = 1024; byte data[] = new byte[BUFFER]; FileInputStream fin = new FileInputStream(in); ZipInputStream zin = new ZipInputStream( fin); ZipEntry entry; while ((entry = zin.getNextEntry()) != null) { ZipEntry zip = new ZipEntry(entry); if (zip.getName().toUpperCase().startsWith("WWW")) { String fileName = zip.getName(); fileName = fileName.substring("WWW/".length(), fileName.length()); if (zip.isDirectory()) { new File(out, fileName).mkdirs(); } else { FileOutputStream tempOut = new FileOutputStream(new File(out, fileName)); int count; while ((count = zin.read(data, 0, BUFFER)) != -1) { tempOut.write(data, 0, count); } tempOut.close(); tempOut.flush(); } serviceGroup.setFoundWebResources(true); } } zin.close(); fin.close(); } catch (IOException e) { log.info(e.getMessage()); } } public static String getWebLocationString() { return webLocationString; } /** * To set the all the classLoader hierarchy this method can be used , the top most parent is * CCL then SCL(system Class Loader) * CCL * : * SCL * : : * MCCL SCCL * : : * MCL SCL *

*

* MCCL : module common class loader * SCCL : Service common class loader * MCL : module class loader * SCL : Service class loader * * @param axis2repoURI : The repository folder of Axis2 * @throws DeploymentException if there's a problem */ protected void setClassLoaders(String axis2repoURI) throws DeploymentException { ClassLoader sysClassLoader = Utils.getClassLoader(Thread.currentThread().getContextClassLoader(), axis2repoURI); axisConfig.setSystemClassLoader(sysClassLoader); if (servicesDir.exists()) { axisConfig.setServiceClassLoader( Utils.getClassLoader(axisConfig.getSystemClassLoader(), servicesDir)); } else { axisConfig.setServiceClassLoader(axisConfig.getSystemClassLoader()); } if (modulesDir.exists()) { axisConfig.setModuleClassLoader(Utils.getClassLoader(axisConfig.getSystemClassLoader(), modulesDir)); } else { axisConfig.setModuleClassLoader(axisConfig.getSystemClassLoader()); } } /** * Sets hotDeployment and hot update. */ protected void setDeploymentFeatures() { Parameter hotDeployment = axisConfig.getParameter(TAG_HOT_DEPLOYMENT); Parameter hotUpdate = axisConfig.getParameter(TAG_HOT_UPDATE); if (hotDeployment != null) { this.hotDeployment = JavaUtils.isTrue(hotDeployment.getValue(), true); } if (hotUpdate != null) { this.hotUpdate = JavaUtils.isTrue(hotUpdate.getValue(), true); } String serviceDirPara = (String) axisConfig.getParameterValue(DeploymentConstants.SERVICE_DIR_PATH); if (serviceDirPara != null) { servicesPath = serviceDirPara; } String moduleDirPara = (String) axisConfig.getParameterValue(DeploymentConstants.MODULE_DRI_PATH); if (moduleDirPara != null) { modulesPath = moduleDirPara; } } /** * Creates directories for modules/services, copies configuration xml from class loader if necessary * * @param repositoryName the pathname of the repository */ protected void prepareRepository(String repositoryName) { repositoryDir = new File(repositoryName); if (servicesPath != null) { servicesDir = new File(servicesPath); if (!servicesDir.exists()) { servicesDir = new File(repositoryDir, servicesPath); } } else { servicesDir = new File(repositoryDir, DeploymentConstants.SERVICE_PATH); } if (!servicesDir.exists()) { log.info(Messages.getMessage("noservicedirfound", getRepositoryPath(repositoryDir))); } if (modulesPath != null) { modulesDir = new File(modulesPath); if (!modulesDir.exists()) { modulesDir = new File(repositoryDir, modulesPath); } } else { modulesDir = new File(repositoryDir, DeploymentConstants.MODULE_PATH); } if (!modulesDir.exists()) { log.info(Messages.getMessage("nomoduledirfound", getRepositoryPath(repositoryDir))); } } protected String getRepositoryPath(File repository) { try { return repository.getCanonicalPath(); } catch (IOException e) { return repository.getAbsolutePath(); } } protected ArrayList getFileList(URL fileListUrl) { ArrayList fileList = new ArrayList(); InputStream in; try { in = fileListUrl.openStream(); } catch (IOException e) { return fileList; } BufferedReader input = null; try { input = new BufferedReader(new InputStreamReader(in)); String line; while ((line = input.readLine()) != null) { line = line.trim(); if (line.length() > 0 && line.charAt(0)!='#') { fileList.add(line); } } } catch (IOException ex) { ex.printStackTrace(); } finally { try { if (input != null) { input.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return fileList; } public void setConfigContext(ConfigurationContext configContext) { this.configContext = configContext; initializeDeployers(this.configContext); } private void initializeDeployers(ConfigurationContext configContext) { serviceDeployer = new ServiceDeployer(); serviceDeployer.init(configContext); for (Map extensionMap : deployerMap.values()) { for (Deployer deployer : extensionMap.values()) { deployer.init(configContext); } } } /** * Builds an AxisModule for a given module archive file. This does not * called the init method since there is no reference to configuration context * so who ever create module using this has to called module.init if it is * required * * @param modulearchive : Actual module archive file * @param config : AxisConfiguration : for get classloaders etc.. * @return a complete AxisModule read from the file. * @throws org.apache.axis2.deployment.DeploymentException * if there's a problem */ public static AxisModule buildModule(File modulearchive, AxisConfiguration config) throws DeploymentException { final String MODULE_DEPLOYER = "moduleDeployer"; AxisModule axismodule; ModuleDeployer deployer = (ModuleDeployer) config.getParameterValue(MODULE_DEPLOYER); try { if (deployer == null) { deployer = new ModuleDeployer(config); config.addParameter(MODULE_DEPLOYER, deployer); } DeploymentFileData currentDeploymentFile = new DeploymentFileData(modulearchive, deployer); axismodule = new AxisModule(); ArchiveReader archiveReader = new ArchiveReader(); currentDeploymentFile.setClassLoader(false, config.getModuleClassLoader(), null); axismodule.setModuleClassLoader(currentDeploymentFile.getClassLoader()); archiveReader.readModuleArchive(currentDeploymentFile, axismodule, false, config); ClassLoader moduleClassLoader = axismodule.getModuleClassLoader(); Flow inflow = axismodule.getInFlow(); if (inflow != null) { Utils.addFlowHandlers(inflow, moduleClassLoader); } Flow outFlow = axismodule.getOutFlow(); if (outFlow != null) { Utils.addFlowHandlers(outFlow, moduleClassLoader); } Flow faultInFlow = axismodule.getFaultInFlow(); if (faultInFlow != null) { Utils.addFlowHandlers(faultInFlow, moduleClassLoader); } Flow faultOutFlow = axismodule.getFaultOutFlow(); if (faultOutFlow != null) { Utils.addFlowHandlers(faultOutFlow, moduleClassLoader); } } catch (AxisFault axisFault) { throw new DeploymentException(axisFault); } return axismodule; } /** * Fills an axisservice object using services.xml. First creates * an axisservice object using WSDL and then fills it using the given services.xml. * Loads all the required class and builds the chains, finally adds the * servicecontext to EngineContext and axisservice into EngineConfiguration. * * @param serviceInputStream InputStream containing configuration data * @param configCtx the ConfigurationContext in which we're deploying * @return Returns AxisService. * @throws DeploymentException if there's a problem */ public static AxisService buildService(InputStream serviceInputStream, ConfigurationContext configCtx) throws DeploymentException { AxisService axisService = new AxisService(); try { ServiceBuilder builder = new ServiceBuilder(serviceInputStream, configCtx, axisService); builder.populateService(builder.buildOM()); } catch (AxisFault axisFault) { throw new DeploymentException(axisFault); } catch (XMLStreamException e) { throw new DeploymentException(e); } return axisService; } /** * To build a AxisServiceGroup for a given services.xml * You have to add the created group into AxisConfig * * @param servicesxml InputStream created from services.xml or equivalent * @param classLoader ClassLoader to use * @param serviceGroupName name of the service group * @param configCtx the ConfigurationContext in which we're deploying * @param archiveReader the ArchiveReader we're working with * @param wsdlServices Map of existing WSDL services * @return a fleshed-out AxisServiceGroup * @throws AxisFault if there's a problem */ public static AxisServiceGroup buildServiceGroup(InputStream servicesxml, ClassLoader classLoader, String serviceGroupName, ConfigurationContext configCtx, ArchiveReader archiveReader, HashMap wsdlServices) throws AxisFault { DeploymentFileData currentDeploymentFile = new DeploymentFileData(null, null); currentDeploymentFile.setClassLoader(classLoader); AxisServiceGroup serviceGroup = new AxisServiceGroup(); serviceGroup.setServiceGroupClassLoader(classLoader); serviceGroup.setServiceGroupName(serviceGroupName); AxisConfiguration axisConfig = configCtx.getAxisConfiguration(); try { ArrayList serviceList = archiveReader.buildServiceGroup(servicesxml, currentDeploymentFile, serviceGroup, wsdlServices, configCtx); fillServiceGroup(serviceGroup, serviceList, null, axisConfig); return serviceGroup; } catch (XMLStreamException e) { throw AxisFault.makeFault(e); } } public static AxisServiceGroup loadServiceGroup(File serviceFile, ConfigurationContext configCtx) throws AxisFault { try { DeploymentFileData currentDeploymentFile = new DeploymentFileData(serviceFile, null); DeploymentClassLoader classLoader = Utils.createClassLoader(serviceFile); currentDeploymentFile.setClassLoader(classLoader); AxisServiceGroup serviceGroup = new AxisServiceGroup(); serviceGroup.setServiceGroupClassLoader(classLoader); // Drop the extension and take the name String fileName = serviceFile.getName(); String serviceGroupName = fileName.substring(0, fileName.lastIndexOf(".")); serviceGroup.setServiceGroupName(serviceGroupName); AxisConfiguration axisConfig = configCtx.getAxisConfiguration(); ArchiveReader archiveReader = new ArchiveReader(); HashMap wsdlServices = archiveReader.processWSDLs(currentDeploymentFile); InputStream serviceXml = classLoader.getResourceAsStream("META-INF/services.xml"); ArrayList serviceList = archiveReader.buildServiceGroup(serviceXml, currentDeploymentFile, serviceGroup, wsdlServices, configCtx); fillServiceGroup(serviceGroup, serviceList, null, axisConfig); return serviceGroup; } catch (Exception e) { throw new DeploymentException(e); } } public File getServicesDir() { return servicesDir; } public File getModulesDir() { return modulesDir; } public File getRepositoryDir() { return repositoryDir; } public void setExtensionToDeployerMappingMap(HashMap extensionToDeployerMappingMap) { this.extensionToDeployerMappingMap = extensionToDeployerMappingMap; } public void setDeployers(Map> deployerMap) { this.deployerMap = deployerMap; } public Map> getDeployers() { return this.deployerMap; } public RepositoryListener getRepoListener() { return repoListener; } public ServiceDeployer getServiceDeployer() { return serviceDeployer; } public ModuleDeployer getModuleDeployer() { return moduleDeployer; } public Deployer getDeployer(String directory, String extension) { Map extensionMap = deployerMap.get(directory); return (extensionMap != null) ? extensionMap.get(extension) : null; } public Deployer getDeployerForExtension(String extension) { return (Deployer) extensionToDeployerMappingMap.get(extension); } /** * Clean up the mess */ public void cleanup() { if (axisConfig.getModuleClassLoader() instanceof JarFileClassLoader) { ((JarFileClassLoader)axisConfig.getModuleClassLoader()).destroy(); } if (axisConfig.getServiceClassLoader() instanceof JarFileClassLoader) { ((JarFileClassLoader)axisConfig.getServiceClassLoader()).destroy(); } if (axisConfig.getSystemClassLoader() instanceof JarFileClassLoader) { ((JarFileClassLoader)axisConfig.getSystemClassLoader()).destroy(); } if (scheduler != null) { scheduler.cleanup(); } } }





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