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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.tuscany.sca.binding.ejb.util;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.WeakHashMap;
import org.apache.tuscany.sca.binding.ejb.corba.Java2IDLUtil;
/**
* The signature for a java interface
*
* @version $Rev$ $Date$
*/
class InterfaceInfo implements Serializable {
private static final Map<Class, InterfaceInfo> INTERFACES =
Collections.synchronizedMap(new WeakHashMap<Class, InterfaceInfo>());
private static final long serialVersionUID = 2314533906465094860L;
private String name;
private Map<String, MethodInfo> methods = new HashMap<String, MethodInfo>();
InterfaceInfo(final Class iface) {
super();
if (iface == null) {
throw new IllegalArgumentException("The interface cannot be null");
}
this.name = iface.getName();
// SECURITY
/*
* Permission: accessDeclaredMembers : Access denied
* (java.lang.RuntimePermission accessDeclaredMembers)
*/
Map idlNames = AccessController.doPrivileged(new PrivilegedAction<Map>() {
public Map run() {
return Java2IDLUtil.mapMethodToOperation(iface);
}
});
Iterator i = idlNames.entrySet().iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
Method method = (Method)entry.getKey();
MethodInfo methodInfo = new MethodInfo(method);
methodInfo.setIDLName((String) entry.getValue());
methods.put(method.getName(), methodInfo);
methods.put(methodInfo.getIDLName(), methodInfo);
}
}
static final synchronized InterfaceInfo getInstance(final Class iface) {
InterfaceInfo info = (InterfaceInfo)INTERFACES.get(iface);
if (info == null) {
info = new InterfaceInfo(iface);
INTERFACES.put(iface, info);
}
return info;
}
/**
* @return
*/
Map<String, MethodInfo> getMethods() {
return methods;
}
/**
* @return
*/
MethodInfo getMethod(String name) {
return (MethodInfo)methods.get(name);
}
/**
* @return
*/
String getName() {
return name;
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("interface ").append(name).append("{ \n");
Iterator i = methods.values().iterator();
while (i.hasNext()) {
MethodInfo methodInfo = (MethodInfo)i.next();
sb.append("\t").append(methodInfo).append("\n");
}
sb.append("};\n");
return sb.toString();
}
}
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