/*
* 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.transport.base.endpoint.config;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
import org.apache.axis2.builder.Builder;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.transport.base.endpoint.URLEndpoint;
import org.apache.axis2.transport.base.endpoint.URLEndpointsConfiguration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.xml.namespace.QName;
import java.util.Iterator;
import java.util.regex.Pattern;
public class URLEndpointFactory {
private static final Log log = LogFactory.getLog(URLEndpointFactory.class);
public URLEndpoint create(OMElement xml) throws AxisFault {
OMAttribute urlPatternAttr = xml.getAttribute(new QName(URLEndpointsConfiguration.URL_PATTERN));
if (urlPatternAttr == null) {
handleException(URLEndpointsConfiguration.URL_PATTERN +
" attribute is mandory for an URLEndpoint configuration");
return null;
}
String pattern = urlPatternAttr.getAttributeValue();
URLEndpoint endpoint = new URLEndpoint(Pattern.compile(pattern));
OMElement messageBuilders = xml.getFirstChildWithName(
new QName(URLEndpointsConfiguration.MESSAGE_BUILDERS));
if (messageBuilders != null) {
OMAttribute defaultBuilderAttr = messageBuilders.getAttribute(
new QName("defaultBuilder"));
if (defaultBuilderAttr != null) {
Builder builder = loadBuilder(defaultBuilderAttr.getAttributeValue());
if (builder != null) {
endpoint.setDefaultBuilder(builder);
}
}
Iterator it = messageBuilders.getChildrenWithName(
new QName(URLEndpointsConfiguration.MESSAGE_BUILDER));
while(it.hasNext()) {
OMElement builderElement = (OMElement) it.next();
OMAttribute contentTypeAttr = builderElement.getAttribute(
new QName(URLEndpointsConfiguration.CONTENT_TYPE));
if (contentTypeAttr == null) {
handleException(URLEndpointsConfiguration.CONTENT_TYPE +
" attribute cannot be null for URLEndpoint " +
"with the " + URLEndpointsConfiguration.URL_PATTERN + " : " + pattern);
}
OMAttribute classAttr = builderElement.getAttribute(
new QName(URLEndpointsConfiguration.CLASS));
if (classAttr == null) {
handleException(URLEndpointsConfiguration.CLASS +
" attribute cannot be null for URLEndpoint " +
"with the " + URLEndpointsConfiguration.URL_PATTERN + " : " + pattern);
}
if (classAttr != null && contentTypeAttr != null) {
Builder builder = loadBuilder(classAttr.getAttributeValue());
if (builder != null) {
endpoint.addBuilder(contentTypeAttr.getAttributeValue(), builder);
}
}
}
}
Iterator paramItr = xml.getChildrenWithName(
new QName(URLEndpointsConfiguration.PARAMETER));
while (paramItr.hasNext()) {
OMElement p = (OMElement) paramItr.next();
OMAttribute paramNameAttr = p.getAttribute(new QName(URLEndpointsConfiguration.NAME));
if (paramNameAttr == null) {
handleException("Parameter " + URLEndpointsConfiguration.NAME + " cannot be null");
} else {
endpoint.addParameter(new Parameter(paramNameAttr.getAttributeValue(), p.getText()));
}
}
return endpoint;
}
private Builder loadBuilder(String name) throws AxisFault {
try {
if (name != null) {
Class c = Class.forName(name);
Object o = c.newInstance();
if (o instanceof Builder) {
return (Builder) o;
} else {
handleException("Class : " + name +
" should be a Builder");
}
}
} catch (ClassNotFoundException e) {
handleException("Error creating builder: " + name, e);
} catch (InstantiationException e) {
handleException("Error initializing builder: " + name, e);
} catch (IllegalAccessException e) {
handleException("Error initializing builder: " + name, e);
}
return null;
}
private void handleException(String msg) throws AxisFault {
log.error(msg);
throw new AxisFault(msg);
}
private void handleException(String msg, Exception e) throws AxisFault {
log.error(msg, e);
throw new AxisFault(msg, e);
}
}