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org.apache.cxf.bus.spring.BusApplicationContext Maven / Gradle / Ivy
/**
* 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.cxf.bus.spring;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.AccessControlException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.SystemPropertyAction;
import org.apache.cxf.common.util.SystemUtils;
import org.apache.cxf.configuration.Configurer;
import org.apache.cxf.interceptor.Fault;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.BeansDtdResolver;
import org.springframework.beans.factory.xml.DefaultNamespaceHandlerResolver;
import org.springframework.beans.factory.xml.PluggableSchemaResolver;
import org.springframework.beans.factory.xml.ResourceEntityResolver;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextException;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
public class BusApplicationContext extends ClassPathXmlApplicationContext {
private static final String DEFAULT_CXF_CFG_FILE = "META-INF/cxf/cxf.xml";
private static final String DEFAULT_CXF_EXT_CFG_FILE = "classpath*:META-INF/cxf/cxf.extension";
private static final Logger LOG = LogUtils.getL7dLogger(BusApplicationContext.class);
private DefaultNamespaceHandlerResolver nsHandlerResolver;
private boolean includeDefaults;
private String[] cfgFiles;
private URL[] cfgFileURLs;
public BusApplicationContext(String cf, boolean include) {
this(cf, include, null);
}
public BusApplicationContext(String[] cfs, boolean include) {
this(cfs, include, null);
}
public BusApplicationContext(URL url, boolean include) {
this(url, include, null);
}
public BusApplicationContext(URL[] urls, boolean include) {
this(urls, include, null);
}
public BusApplicationContext(String cf, boolean include, ApplicationContext parent) {
this(new String[] {cf}, include, parent);
}
public BusApplicationContext(URL url, boolean include, ApplicationContext parent) {
this(new URL[] {url}, include, parent);
}
public BusApplicationContext(String[] cf, boolean include, ApplicationContext parent) {
super(new String[0], false, parent);
cfgFiles = cf;
includeDefaults = include;
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Boolean run() throws Exception {
refresh();
return Boolean.TRUE;
}
});
} catch (PrivilegedActionException e) {
if (e.getException() instanceof RuntimeException) {
throw (RuntimeException)e.getException();
}
throw new Fault(e);
}
}
public BusApplicationContext(URL[] url, boolean include, ApplicationContext parent) {
super(new String[0], false, parent);
cfgFileURLs = url;
includeDefaults = include;
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Boolean run() throws Exception {
refresh();
return Boolean.TRUE;
}
});
} catch (PrivilegedActionException e) {
if (e.getException() instanceof RuntimeException) {
throw (RuntimeException)e.getException();
}
throw new Fault(e);
}
}
@Override
protected Resource[] getConfigResources() {
List resources = new ArrayList();
if (includeDefaults) {
try {
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(Thread
.currentThread().getContextClassLoader());
Collections.addAll(resources, resolver.getResources(DEFAULT_CXF_CFG_FILE));
Resource[] exts = resolver.getResources(DEFAULT_CXF_EXT_CFG_FILE);
for (Resource r : exts) {
InputStream is = r.getInputStream();
BufferedReader rd = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String line = rd.readLine();
while (line != null) {
if (!"".equals(line)) {
resources.add(resolver.getResource(line));
}
line = rd.readLine();
}
is.close();
}
} catch (IOException ex) {
// ignore
}
}
boolean usingDefault = false;
if (null == cfgFiles) {
String cfgFile = SystemPropertyAction.getPropertyOrNull(Configurer.USER_CFG_FILE_PROPERTY_NAME);
if (cfgFile != null) {
cfgFiles = new String[] {cfgFile};
}
}
if (null == cfgFiles) {
cfgFiles = new String[] {Configurer.DEFAULT_USER_CFG_FILE};
usingDefault = true;
}
for (String cfgFile : cfgFiles) {
final Resource cpr = findResource(cfgFile);
boolean exists = AccessController.doPrivileged(new PrivilegedAction() {
public Boolean run() {
return cpr != null && cpr.exists();
}
});
if (exists) {
resources.add(cpr);
LogUtils.log(LOG, Level.INFO, "USER_CFG_FILE_IN_USE", cfgFile);
} else {
if (!usingDefault) {
LogUtils.log(LOG, Level.WARNING, "USER_CFG_FILE_NOT_LOADED", cfgFile);
String message = (new Message("USER_CFG_FILE_NOT_LOADED", LOG, cfgFile)).toString();
throw new ApplicationContextException(message);
}
}
}
if (null != cfgFileURLs) {
for (URL cfgFileURL : cfgFileURLs) {
UrlResource ur = new UrlResource(cfgFileURL);
if (ur.exists()) {
resources.add(ur);
} else {
LogUtils.log(LOG, Level.WARNING, "USER_CFG_FILE_URL_NOT_FOUND_MSG", cfgFileURL);
}
}
}
String sysCfgFileUrl = SystemPropertyAction.getPropertyOrNull(Configurer.USER_CFG_FILE_PROPERTY_URL);
if (null != sysCfgFileUrl) {
try {
UrlResource ur = new UrlResource(sysCfgFileUrl);
if (ur.exists()) {
resources.add(ur);
} else {
LogUtils.log(LOG, Level.WARNING, "USER_CFG_FILE_URL_NOT_FOUND_MSG", sysCfgFileUrl);
}
} catch (MalformedURLException e) {
LogUtils.log(LOG, Level.WARNING, "USER_CFG_FILE_URL_ERROR_MSG", sysCfgFileUrl);
}
}
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Creating application context with resources: " + resources);
}
if (0 == resources.size()) {
return null;
}
Resource[] res = new Resource[resources.size()];
res = resources.toArray(res);
return res;
}
public static Resource findResource(final String cfgFile) {
try {
return AccessController.doPrivileged(new PrivilegedAction() {
public Resource run() {
Resource cpr = new ClassPathResource(cfgFile);
if (cpr.exists()) {
return cpr;
}
try {
//see if it's a URL
URL url = new URL(cfgFile);
cpr = new UrlResource(url);
if (cpr.exists()) {
return cpr;
}
} catch (MalformedURLException e) {
//ignore
}
//try loading it our way
URL url = ClassLoaderUtils.getResource(cfgFile, BusApplicationContext.class);
if (url != null) {
cpr = new UrlResource(url);
if (cpr.exists()) {
return cpr;
}
}
cpr = new FileSystemResource(cfgFile);
if (cpr.exists()) {
return cpr;
}
return null;
}
});
} catch (AccessControlException ex) {
//cannot read the user config file
return null;
}
}
@Override
protected void initBeanDefinitionReader(XmlBeanDefinitionReader reader) {
// Spring always creates a new one of these, which takes a fair amount
// of time on startup (nearly 1/2 second) as it gets created for every
// spring context on the classpath
if (nsHandlerResolver == null) {
nsHandlerResolver = new DefaultNamespaceHandlerResolver();
}
reader.setNamespaceHandlerResolver(nsHandlerResolver);
String mode = SystemUtils.getSpringValidationMode();
if (null != mode) {
reader.setValidationModeName(mode);
}
reader.setNamespaceAware(true);
setEntityResolvers(reader);
}
void setEntityResolvers(XmlBeanDefinitionReader reader) {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
reader.setEntityResolver(new BusEntityResolver(new BeansDtdResolver(),
new PluggableSchemaResolver(cl)));
}
@Override
protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) throws IOException {
// Create a new XmlBeanDefinitionReader for the given BeanFactory.
XmlBeanDefinitionReader beanDefinitionReader =
new ControlledValidationXmlBeanDefinitionReader(beanFactory);
// Configure the bean definition reader with this context's
// resource loading environment.
beanDefinitionReader.setResourceLoader(this);
beanDefinitionReader.setEntityResolver(new ResourceEntityResolver(this));
// Allow a subclass to provide custom initialization of the reader,
// then proceed with actually loading the bean definitions.
initBeanDefinitionReader(beanDefinitionReader);
loadBeanDefinitions(beanDefinitionReader);
}
}
