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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.
* ====================================================================
*
* 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
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.impl.execchain;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HttpEntity;
import ch.boye.httpclientandroidlib.HttpEntityEnclosingRequest;
import ch.boye.httpclientandroidlib.HttpRequest;
import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
/**
* A Proxy class for {@link ch.boye.httpclientandroidlib.HttpEntity} enclosed in a request message.
*
* @since 4.3
*/
@NotThreadSafe
class RequestEntityProxy implements HttpEntity {
static void enhance(final HttpEntityEnclosingRequest request) {
final HttpEntity entity = request.getEntity();
if (entity != null && !entity.isRepeatable() && !isEnhanced(entity)) {
request.setEntity(new RequestEntityProxy(entity));
}
}
static boolean isEnhanced(final HttpEntity entity) {
return entity instanceof RequestEntityProxy;
}
static boolean isRepeatable(final HttpRequest request) {
if (request instanceof HttpEntityEnclosingRequest) {
final HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
if (entity != null) {
if (isEnhanced(entity)) {
final RequestEntityProxy proxy = (RequestEntityProxy) entity;
if (!proxy.isConsumed()) {
return true;
}
}
return entity.isRepeatable();
}
}
return true;
}
private final HttpEntity original;
private boolean consumed = false;
RequestEntityProxy(final HttpEntity original) {
super();
this.original = original;
}
public HttpEntity getOriginal() {
return original;
}
public boolean isConsumed() {
return consumed;
}
public boolean isRepeatable() {
return original.isRepeatable();
}
public boolean isChunked() {
return original.isChunked();
}
public long getContentLength() {
return original.getContentLength();
}
public Header getContentType() {
return original.getContentType();
}
public Header getContentEncoding() {
return original.getContentEncoding();
}
public InputStream getContent() throws IOException, IllegalStateException {
return original.getContent();
}
public void writeTo(final OutputStream outstream) throws IOException {
consumed = true;
original.writeTo(outstream);
}
public boolean isStreaming() {
return original.isStreaming();
}
@Deprecated
public void consumeContent() throws IOException {
consumed = true;
original.consumeContent();
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("RequestEntityProxy{");
sb.append(original);
sb.append('}');
return sb.toString();
}
}
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