/
MockHttpURLConnection.java
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/
MockHttpURLConnection.java
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/*
* Copyright (c) 2012 Google Inc.
*
* 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.google.api.client.testing.http.javanet;
import com.google.api.client.util.Beta;
import com.google.api.client.util.Preconditions;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.UnknownServiceException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* {@link Beta} <br>
* Mock for {@link HttpURLConnection}.
*
* <p>Implementation is not thread-safe.
*
* @since 1.11
* @author Yaniv Inbar
*/
@Beta
public class MockHttpURLConnection extends HttpURLConnection {
/** Whether {@link #doOutput} was called. */
private boolean doOutputCalled;
/** Whether {@link #setFixedLengthStreamingMode(int)} was called. */
private boolean setFixedLengthStreamingModeIntCalled = false;
/** Whether {@link #setFixedLengthStreamingMode(long)} was called. */
private boolean setFixedLengthStreamingModeLongCalled = false;
/**
* Output stream or {@code null} to throw an {@link UnknownServiceException} when {@link
* #getOutputStream()} is called.
*/
private OutputStream outputStream = new ByteArrayOutputStream(0);
/**
* The input byte array which represents the content when the status code is less then {@code
* 400}.
*
* @deprecated As of 1.20. Use {@link #setInputStream(InputStream)} instead.
*/
@Deprecated public static final byte[] INPUT_BUF = new byte[1];
/**
* The error byte array which represents the content when the status code is greater or equal to
* {@code 400}.
*
* @deprecated As of 1.20. Use {@link #setErrorStream(InputStream)} instead.
*/
@Deprecated public static final byte[] ERROR_BUF = new byte[5];
/** The input stream. */
private InputStream inputStream = null;
/** The error stream. */
private InputStream errorStream = null;
private Map<String, List<String>> headers = new LinkedHashMap<String, List<String>>();
/** @param u the URL or {@code null} for none */
public MockHttpURLConnection(URL u) {
super(u);
}
@Override
public void disconnect() {}
@Override
public boolean usingProxy() {
return false;
}
@Override
public void connect() throws IOException {}
@Override
public int getResponseCode() throws IOException {
return responseCode;
}
@Override
public void setDoOutput(boolean dooutput) {
doOutputCalled = true;
}
@Override
public OutputStream getOutputStream() throws IOException {
if (outputStream != null) {
return outputStream;
}
return super.getOutputStream();
}
/** Returns whether {@link #doOutput} was called. */
public final boolean doOutputCalled() {
return doOutputCalled;
}
/**
* Sets the output stream or {@code null} to throw an {@link UnknownServiceException} when {@link
* #getOutputStream()} is called.
*
* <p>By default it is {@code null}.
*/
public MockHttpURLConnection setOutputStream(OutputStream outputStream) {
this.outputStream = outputStream;
return this;
}
/** Sets the HTTP response status code. */
public MockHttpURLConnection setResponseCode(int responseCode) {
Preconditions.checkArgument(responseCode >= -1);
this.responseCode = responseCode;
return this;
}
/**
* Sets a custom response header.
*
* @since 1.20
*/
public MockHttpURLConnection addHeader(String name, String value) {
Preconditions.checkNotNull(name);
Preconditions.checkNotNull(value);
if (headers.containsKey(name)) {
headers.get(name).add(value);
} else {
List<String> values = new ArrayList<String>();
values.add(value);
headers.put(name, values);
}
return this;
}
/**
* Sets the input stream.
*
* <p>To prevent incidental overwrite, only the first non-null assignment is honored.
*
* @since 1.20
*/
public MockHttpURLConnection setInputStream(InputStream is) {
Preconditions.checkNotNull(is);
if (inputStream == null) {
inputStream = is;
}
return this;
}
/**
* Sets the error stream.
*
* <p>To prevent incidental overwrite, only the first non-null assignment is honored.
*
* @since 1.20
*/
public MockHttpURLConnection setErrorStream(InputStream is) {
Preconditions.checkNotNull(is);
if (errorStream == null) {
errorStream = is;
}
return this;
}
@Override
public InputStream getInputStream() throws IOException {
if (responseCode < 400) {
return inputStream;
}
throw new IOException();
}
@Override
public InputStream getErrorStream() {
return errorStream;
}
@Override
public Map<String, List<String>> getHeaderFields() {
return headers;
}
@Override
public String getHeaderField(String name) {
List<String> values = headers.get(name);
return values == null ? null : values.get(0);
}
public int getChunkLength() {
return chunkLength;
}
@Override
public void setFixedLengthStreamingMode(int contentLength) {
this.setFixedLengthStreamingModeIntCalled = true;
super.setFixedLengthStreamingMode(contentLength);
}
@Override
public void setFixedLengthStreamingMode(long contentLength) {
this.setFixedLengthStreamingModeLongCalled = true;
super.setFixedLengthStreamingMode(contentLength);
}
public boolean isSetFixedLengthStreamingModeIntCalled() {
return setFixedLengthStreamingModeIntCalled;
}
public boolean isSetFixedLengthStreamingModeLongCalled() {
return setFixedLengthStreamingModeLongCalled;
}
}