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org.wso2.bps.samples.migration.deployment.ArchiveBasedHumanTaskDeploymentUnitBuilder Maven / Gradle / Ivy
/*
* Copyright (c) 2011, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed 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.wso2.bps.samples.migration.deployment;
import org.apache.axis2.util.XMLUtils;
import org.apache.commons.io.FilenameUtils;
import org.w3c.dom.Document;
import org.wso2.carbon.humantask.HumanInteractionsDocument;
import org.wso2.carbon.humantask.core.HumanTaskConstants;
import org.wso2.carbon.humantask.core.deployment.HumanTaskDeploymentException;
import org.wso2.carbon.humantask.core.deployment.HumanTaskDeploymentUnitBuilder;
import org.wso2.carbon.humantask.core.deployment.HumanTaskWSDLLocator;
import org.wso2.carbon.humantask.core.deployment.config.HTDeploymentConfigDocument;
import org.wso2.carbon.humantask.core.utils.FileUtils;
import org.xml.sax.SAXException;
import javax.wsdl.Definition;
import javax.wsdl.WSDLException;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
import javax.xml.parsers.ParserConfigurationException;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
/**
* Process HumanTask zip archive to get humanTask related files
* Are we doing this? This class is no longer used since a Registry Handler is used to get the job done
*/
public class ArchiveBasedHumanTaskDeploymentUnitBuilder extends HumanTaskDeploymentUnitBuilder {
private static final FileFilter wsdlFilter = new FileFilter() {
public boolean accept(File path) {
return path.getName().endsWith(".wsdl") && path.isFile();
}
};
private static final FileFilter xsdFilter = new FileFilter() {
public boolean accept(File path) {
return path.getName().endsWith(".xsd") && path.isFile();
}
};
private static final FileFilter humantaskFilter = new FileFilter() {
public boolean accept(File path) {
return path.getName().endsWith(HumanTaskConstants.HUMANTASK_FILE_EXT) && path.isFile();
}
};
private File humantaskDir;
private String fileName;
private int tenantId;
private long version;
private String md5sum;
private List wsdlDefinitions = new ArrayList();
private InputStream hiDefinition;
private InputStream hiConfiguration;
private File humanTaskDefinitionFile;
private Map wsdlsMap = new HashMap();
private Map schemasMap = new HashMap();
// Build human task deployment unit with unextracted archive
public ArchiveBasedHumanTaskDeploymentUnitBuilder(String BPS_HOME, File hiArchiveZip, int tenantId, long version,
String md5sum)
throws HumanTaskDeploymentException {
String hiArchiveZipName = hiArchiveZip.getName();
this.fileName = FilenameUtils.removeExtension(hiArchiveZipName);
this.tenantId = tenantId;
this.version = version;
this.md5sum = md5sum;
humantaskDir = extractHumanTaskArchive(hiArchiveZip, tenantId, version, BPS_HOME);
buildHumanInteractionDocuments();
buildDeploymentConfiguration();
buildWSDLs();
buildSchemas();
}
// Build human task deployment unit with the
public ArchiveBasedHumanTaskDeploymentUnitBuilder(File extractedTaskArchive, int tenantId, long version,
String packageName,
String md5sum) throws HumanTaskDeploymentException {
this.fileName = packageName;
this.version = version;
this.humantaskDir = extractedTaskArchive;
this.tenantId = tenantId;
this.md5sum = md5sum;
buildHumanInteractionDocuments();
buildDeploymentConfiguration();
buildWSDLs();
buildSchemas();
}
/**
* Read the WSDL file given the input stream for the WSDL source
*
* @param in WSDL input stream
* @param entryName ZIP file entry name
* @param fromRegistry whether the wsdl is read from registry
* @return WSDL Definition
* @throws javax.wsdl.WSDLException at parser error
*/
public static Definition readInTheWSDLFile(InputStream in, String entryName,
boolean fromRegistry) throws WSDLException {
WSDLReader reader = WSDLFactory.newInstance().newWSDLReader();
// switch off the verbose mode for all usecases
reader.setFeature(HumanTaskConstants.JAVAX_WSDL_VERBOSE_MODE_KEY, false);
reader.setFeature("javax.wsdl.importDocuments", true);
Definition def;
Document doc;
try {
doc = XMLUtils.newDocument(in);
} catch (ParserConfigurationException e) {
throw new WSDLException(WSDLException.PARSER_ERROR,
"Parser Configuration Error", e);
} catch (SAXException e) {
throw new WSDLException(WSDLException.PARSER_ERROR,
"Parser SAX Error", e);
} catch (IOException e) {
throw new WSDLException(WSDLException.INVALID_WSDL, "IO Error",
e);
}
if (fromRegistry) {
throw new UnsupportedOperationException("This operation is not currently " +
"supported in this version of WSO2 BPS.");
} else {
def = reader.readWSDL(entryName, doc.getDocumentElement());
}
def.setDocumentBaseURI(entryName);
return def;
}
public static File extractHumanTaskArchive(final File archiveFile, int tenantId, long version, String BPS_HOME)
throws HumanTaskDeploymentException {
ZipInputStream zipStream = null;
try {
String humanTaskExtractionLocation = BPS_HOME + File.separator +
"repository" + File.separator +
HumanTaskConstants.HUMANTASK_REPO_DIRECTORY + File.separator +
tenantId + File.separator + FilenameUtils.removeExtension(archiveFile.getName()) + "-" + version;
zipStream = new ZipInputStream(new FileInputStream(archiveFile));
ZipEntry entry;
while ((entry = zipStream.getNextEntry()) != null) {
if (entry.isDirectory()) {
if (!new File(humanTaskExtractionLocation, entry.getName()).mkdirs() &&
!new File(humanTaskExtractionLocation, entry.getName()).exists()) {
throw new HumanTaskDeploymentException("Archive extraction failed. " +
"Cannot create directory: "
+ new File(humanTaskExtractionLocation,
entry.getName()).getAbsolutePath() + ".");
}
continue;
}
File destFile = new File(humanTaskExtractionLocation, entry.getName());
if (!destFile.getParentFile().exists() && !destFile.getParentFile().mkdirs()) {
throw new HumanTaskDeploymentException("Archive extraction failed. " +
"Cannot create directory: "
+ destFile.getParentFile().getAbsolutePath());
}
BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(destFile));
copyInputStream(zipStream, outputStream);
}
return new File(humanTaskExtractionLocation);
} catch (IOException e) {
String errMsg = "Error occurred during extracting the archive: " + archiveFile;
System.out.println(errMsg);
throw new HumanTaskDeploymentException(errMsg, e);
} finally {
if (zipStream != null) {
try {
zipStream.close();
} catch (IOException e) {
String errMsg = "Error occurred during extracting the archive: " + archiveFile;
System.out.println(errMsg + e);
throw new HumanTaskDeploymentException(errMsg, e);
}
}
}
}
private static void copyInputStream(final InputStream in, OutputStream out)
throws IOException {
byte[] buffer = new byte[1024];
int len;
while ((len = in.read(buffer)) >= 0) {
out.write(buffer, 0, len);
}
out.close();
}
@Override
public void buildHumanInteractionDocuments() throws HumanTaskDeploymentException {
if (hiDefinition == null) {
List hiDefinitionFiles = FileUtils.directoryEntriesInPath(humantaskDir,
humantaskFilter);
if (hiDefinitionFiles.size() != 1) {
String errMsg;
if (hiDefinitionFiles.size() == 0) {
errMsg = "No human task definition files were found in " + fileName;
} else {
errMsg = hiDefinitionFiles.size() +
" human task definition files were found in " + fileName;
}
System.out.println(errMsg);
throw new HumanTaskDeploymentException(errMsg);
}
try {
hiDefinition = new FileInputStream(hiDefinitionFiles.get(0));
humanTaskDefinitionFile = hiDefinitionFiles.get(0);
} catch (FileNotFoundException e) {
System.out.println(e.getMessage());
throw new HumanTaskDeploymentException("Error building humantask archive; " +
fileName, e);
}
}
}
@Override
public void buildDeploymentConfiguration() throws HumanTaskDeploymentException {
if (hiConfiguration == null) {
File humantaskConfFile = new File(humantaskDir, "htconfig.xml");
if (!humantaskConfFile.exists()) {
String errMsg = "htconfig.xml file not found for the " + fileName;
System.out.println(errMsg);
throw new HumanTaskDeploymentException(errMsg);
}
try {
hiConfiguration = new FileInputStream(humantaskConfFile);
} catch (FileNotFoundException e) {
System.out.println(e.getMessage());
throw new HumanTaskDeploymentException("Error building humantask archive: " +
fileName, e);
}
}
}
@Override
public void buildWSDLs() throws HumanTaskDeploymentException {
URI baseUri = humantaskDir.toURI();
for (File file : FileUtils.directoryEntriesInPath(humantaskDir, wsdlFilter)) {
try {
URI uri = baseUri.relativize(file.toURI());
if (!uri.isAbsolute()) {
File f = new File(baseUri.getPath() + File.separator + uri.getPath());
URI abUri = f.toURI();
if (abUri.isAbsolute()) {
uri = abUri;
}
}
WSDLReader reader = WSDLFactory.newInstance().newWSDLReader();
reader.setFeature(HumanTaskConstants.JAVAX_WSDL_VERBOSE_MODE_KEY, false);
reader.setFeature("javax.wsdl.importDocuments", true);
Definition definition = reader.readWSDL(new HumanTaskWSDLLocator(uri));
wsdlDefinitions.add(definition);
} catch (WSDLException e) {
System.out.println("Error processing wsdl " + file.getName());
throw new HumanTaskDeploymentException(" Error processing wsdl ", e);
} catch (URISyntaxException e) {
System.out.println("Invalid uri in reading wsdl ");
throw new HumanTaskDeploymentException(" Invalid uri in reading wsdl ", e);
}
// wsdlsMap.put(file.getName(), is);
}
}
@Override
public void buildSchemas() throws HumanTaskDeploymentException {
for (File file : FileUtils.directoryEntriesInPath(humantaskDir, xsdFilter)) {
InputStream is;
try {
is = new FileInputStream(file);
} catch (FileNotFoundException e) {
System.out.println(e.getMessage());
throw new HumanTaskDeploymentException("Error building humantask archive: " +
fileName, e);
}
schemasMap.put(file.getName(), is);
}
}
@Override
public HumanInteractionsDocument getHumanInteractionsDocument()
throws HumanTaskDeploymentException {
HumanInteractionsDocument hiDoc;
try {
hiDoc = HumanInteractionsDocument.Factory.parse(hiDefinition);
} catch (Exception e) {
String errMsg = "Error occurred while parsing the human interaction definition";
System.out.println(errMsg);
throw new HumanTaskDeploymentException(errMsg, e);
}
return hiDoc;
}
@Override
public HTDeploymentConfigDocument getHTDeploymentConfigDocument()
throws HumanTaskDeploymentException {
HTDeploymentConfigDocument hiConf;
try {
hiConf = HTDeploymentConfigDocument.Factory.parse(hiConfiguration);
} catch (Exception e) {
String errMsg = "Error occurred while parsing the human interaction configuration " +
"file: htconfig.xml";
System.out.println(errMsg);
throw new HumanTaskDeploymentException(errMsg, e);
}
return hiConf;
}
@Override
public String getArchiveName() {
return fileName;
}
public List getWsdlDefinitions() throws HumanTaskDeploymentException {
return wsdlDefinitions;
}
@Override
public long getVersion() {
return this.version;
}
@Override
public String getMd5sum() {
return this.md5sum;
}
public File getHumanTaskDefinitionFile() {
return humanTaskDefinitionFile;
}
}
