org.apache.http.impl.client.CloseableHttpResponseProxy Maven / Gradle / Ivy
The newest version!
/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.http.impl.client;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.util.EntityUtils;
/**
* @since 4.3
*/
@Deprecated
class CloseableHttpResponseProxy implements InvocationHandler {
private final static Constructor CONSTRUCTOR;
static {
try {
CONSTRUCTOR = Proxy.getProxyClass(CloseableHttpResponseProxy.class.getClassLoader(),
new Class[] { CloseableHttpResponse.class }).getConstructor(new Class[] { InvocationHandler.class });
} catch (final NoSuchMethodException ex) {
throw new IllegalStateException(ex);
}
}
private final HttpResponse original;
CloseableHttpResponseProxy(final HttpResponse original) {
super();
this.original = original;
}
public void close() throws IOException {
final HttpEntity entity = this.original.getEntity();
EntityUtils.consume(entity);
}
@Override
public Object invoke(
final Object proxy, final Method method, final Object[] args) throws Throwable {
final String mname = method.getName();
if (mname.equals("close")) {
close();
return null;
} else {
try {
return method.invoke(original, args);
} catch (final InvocationTargetException ex) {
final Throwable cause = ex.getCause();
if (cause != null) {
throw cause;
} else {
throw ex;
}
}
}
}
public static CloseableHttpResponse newProxy(final HttpResponse original) {
try {
return (CloseableHttpResponse) CONSTRUCTOR.newInstance(new CloseableHttpResponseProxy(original));
} catch (final InstantiationException ex) {
throw new IllegalStateException(ex);
} catch (final InvocationTargetException ex) {
throw new IllegalStateException(ex);
} catch (final IllegalAccessException ex) {
throw new IllegalStateException(ex);
}
}
}