76 lines
2.3 KiB
Java
76 lines
2.3 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.squareup.okhttp.internal.http;
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import com.squareup.okhttp.internal.AbstractOutputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.ProtocolException;
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import static com.squareup.okhttp.internal.Util.checkOffsetAndCount;
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/**
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* An HTTP request body that's completely buffered in memory. This allows
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* the post body to be transparently re-sent if the HTTP request must be
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* sent multiple times.
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*/
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final class RetryableOutputStream extends AbstractOutputStream {
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private final int limit;
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private final ByteArrayOutputStream content;
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public RetryableOutputStream(int limit) {
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this.limit = limit;
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this.content = new ByteArrayOutputStream(limit);
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}
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public RetryableOutputStream() {
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this.limit = -1;
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this.content = new ByteArrayOutputStream();
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}
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@Override public synchronized void close() throws IOException {
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if (closed) {
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return;
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}
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closed = true;
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if (content.size() < limit) {
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throw new ProtocolException(
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"content-length promised " + limit + " bytes, but received " + content.size());
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}
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}
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@Override public synchronized void write(byte[] buffer, int offset, int count)
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throws IOException {
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checkNotClosed();
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checkOffsetAndCount(buffer.length, offset, count);
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if (limit != -1 && content.size() > limit - count) {
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throw new ProtocolException("exceeded content-length limit of " + limit + " bytes");
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}
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content.write(buffer, offset, count);
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}
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public synchronized int contentLength() throws IOException {
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close();
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return content.size();
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}
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public void writeToSocket(OutputStream socketOut) throws IOException {
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content.writeTo(socketOut);
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}
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}
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