/* Copyright 2017 Goldman Sachs. Licensed 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 com.gs.jrpip.client; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.OutputStream; import org.apache.commons.httpclient.HttpConnection; import org.apache.commons.httpclient.HttpState; import org.apache.commons.httpclient.methods.EntityEnclosingMethod; import org.apache.commons.httpclient.methods.RequestEntity; public class BufferedPostMethod extends EntityEnclosingMethod implements RequestEntity { private final OutputStreamWriter writer; private byte[] result; public BufferedPostMethod(String uri, OutputStreamWriter writer) { super(uri); this.writer = writer; } @Override public String getName() { return "POST"; } @Override protected boolean hasRequestContent() { return true; } @Override protected void writeRequest(HttpState state, HttpConnection conn) throws IOException { try { ByteArrayOutputStream outputStream = new ByteArrayOutputStream(2048); this.writer.write(outputStream); outputStream.close(); this.result = outputStream.toByteArray(); this.setRequestEntity(this); this.writeRequestLine(state, conn); this.writeRequestHeaders(state, conn); conn.writeLine(); // close head // make sure the status line and headers have been sent conn.flushRequestOutputStream(); this.writeRequestBody(state, conn); conn.flushRequestOutputStream(); } catch (IOException e) { this.cleanupConnection(conn); throw e; } } protected void cleanupConnection(HttpConnection conn) { conn.close(); conn.releaseConnection(); } @Override public boolean isRepeatable() { return false; } @Override public void writeRequest(OutputStream out) throws IOException { out.write(this.result); } @Override public long getContentLength() { return this.result.length; } @Override public String getContentType() { return null; } }