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package com.sun.enterprise.deployment.node.ejb;
import java.util.Map;
import org.w3c.dom.Node;
import org.xml.sax.Attributes;
import com.sun.enterprise.deployment.Role;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.MethodNode;
import com.sun.enterprise.deployment.node.DescriptorFactory;
import com.sun.enterprise.deployment.MethodPermissionDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.MethodPermission;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.xml.EjbTagNames;
/**
* This class handles all the method-permission xml tag
* information
*
* @author Jerome Dochez
* @version
*/
public class MethodPermissionNode extends DeploymentDescriptorNode {
private MethodPermissionDescriptor descriptor;
/** Creates new MethodPermissionNode */
public MethodPermissionNode() {
super();
registerElementHandler(new XMLElement(EjbTagNames.METHOD),
MethodNode.class, "addMethod");
}
/**
* @return the descriptor instance to associate with this XMLNode
*/
public Object getDescriptor() {
if (descriptor==null) {
descriptor = (MethodPermissionDescriptor) DescriptorFactory.getDescriptor(getXMLPath());
}
return descriptor;
}
/**
* SAX Parser API implementation, we don't really care for now.
*/
public void startElement(XMLElement element, Attributes attributes) {
if (EjbTagNames.UNCHECKED.equals(element.getQName())) {
descriptor.addMethodPermission(MethodPermission.getUncheckedMethodPermission());
} else
super.startElement(element, attributes);
}
/**
* receives notiification of the value for a particular tag
*
* @param element the xml element
* @param value it's associated value
*/
public void setElementValue(XMLElement element, String value) {
if (EjbTagNames.ROLE_NAME.equals(element.getQName())) {
Role role = new Role(value);
descriptor.addMethodPermission(new MethodPermission(role));
} else {
super.setElementValue(element, value);
}
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node in the DOM tree
* @param node name for the root element of this xml fragment
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName, MethodPermissionDescriptor descriptor,
EjbDescriptor ejb) {
Node subNode = super.writeDescriptor(parent, nodeName, descriptor);
return writeDescriptorInNode(subNode, descriptor, ejb);
}
/**
* Write the descriptor in a DOM tree which root element is provided
*
* @param subNode the root element for the DOM fragment
* @param descriptor the method permisison descriptor
* @param ejb the ejb descriptor the above method permission belongs to
*/
public Node writeDescriptorInNode(Node subNode, MethodPermissionDescriptor descriptor,
EjbDescriptor ejb) {
writeLocalizedDescriptions(subNode, descriptor);
MethodPermission[] mps = descriptor.getMethodPermissions();
if (mps.length==0)
return null;
if (!mps[0].isExcluded()) {
if (mps[0].isUnchecked()) {
appendChild(subNode, EjbTagNames.UNCHECKED);
} else {
for (int i=0;i<mps.length;i++) {
appendTextChild(subNode, EjbTagNames.ROLE_NAME, mps[i].getRole().getName());
}
}
}
MethodDescriptor[] methods = descriptor.getMethods();
MethodNode mn = new MethodNode();
for (int i=0;i<methods.length;i++) {
String ejbName = ejb.getName();
mn.writeDescriptor(subNode, EjbTagNames.METHOD, methods[i], ejbName);
}
return subNode;
}
}