| // Copyright 2011 Google Inc. All Rights Reserved. |
| // |
| // 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.enterprise.adaptor; |
| |
| import com.google.common.collect.ListMultimap; |
| import com.google.enterprise.adaptor.secmgr.http.HttpClientInterface; |
| import com.google.enterprise.adaptor.secmgr.http.HttpExchange; |
| |
| import com.sun.net.httpserver.Headers; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.net.URL; |
| import java.nio.charset.Charset; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Mock {@link HttpClientInterface}. |
| */ |
| public abstract class MockHttpClient implements HttpClientInterface { |
| private static final String POST_ENCODING = "UTF-8"; |
| |
| protected abstract void handleExchange(ClientExchange ex); |
| |
| @Override |
| public HttpExchange postExchange(URL url, |
| ListMultimap<String, String> parameters) { |
| HttpExchange exchange = new ClientExchange(url, "POST"); |
| if (parameters != null) { |
| exchange.setRequestHeader("Content-Type", |
| "application/x-www-form-urlencoded; charset=" + POST_ENCODING); |
| for (String name : parameters.keySet()) { |
| for (String value : parameters.get(name)) { |
| exchange.addParameter(name, value); |
| } |
| } |
| } |
| return exchange; |
| } |
| |
| /** Mocked exchange that calls {@link #handleExchange}. */ |
| protected class ClientExchange implements HttpExchange { |
| private final URL url; |
| private final String method; |
| private byte[] requestBody; |
| /** POST parameters */ |
| // Alternates between key and value |
| private List<String> parameters = new ArrayList<String>(); |
| private boolean connected = false; |
| private Headers requestHeaders = new Headers(); |
| private int responseCode = -1; |
| private Headers responseHeaders = new Headers(); |
| private InputStream responseStream; |
| |
| public ClientExchange(URL url, String method) { |
| this.url = url; |
| this.method = method; |
| } |
| |
| @Override |
| public void setProxy(String proxy) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setBasicAuthCredentials(String username, String password) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setFollowRedirects(boolean followRedirects) { |
| } |
| |
| @Override |
| public void setTimeout(int timeout) { |
| } |
| |
| @Override |
| public String getHttpMethod() { |
| return method; |
| } |
| |
| @Override |
| public URL getUrl() { |
| return url; |
| } |
| |
| @Override |
| public void addParameter(String name, String value) { |
| if (!"POST".equals(method)) { |
| throw new IllegalStateException(); |
| } |
| parameters.add(name); |
| parameters.add(value); |
| } |
| |
| @Override |
| public void addRequestHeader(String name, String value) { |
| requestHeaders.add(name, value); |
| } |
| |
| @Override |
| public void setRequestHeader(String name, String value) { |
| requestHeaders.set(name, value); |
| } |
| |
| @Override |
| public List<String> getRequestHeaderValues(String headerName) { |
| return requestHeaders.get(headerName); |
| } |
| |
| @Override |
| public String getRequestHeaderValue(String headerName) { |
| return requestHeaders.getFirst(headerName); |
| } |
| |
| /** Does not copy provided byte array. */ |
| @Override |
| public void setRequestBody(byte[] byteArrayRequestEntity) { |
| requestBody = byteArrayRequestEntity; |
| } |
| |
| public byte[] getRequestBody() { |
| return requestBody; |
| } |
| |
| @Override |
| public int exchange() throws IOException { |
| if (parameters.size() > 0) { |
| if (requestBody != null) { |
| // Thus, having parameters is equivalent to having a requestBody, and |
| // we can't have both. |
| throw new IllegalStateException(); |
| } |
| } |
| handleExchange(this); |
| if (responseCode == -1) { |
| throw new IllegalStateException("handleExchange must set statusCode"); |
| } |
| connected = true; |
| return getStatusCode(); |
| } |
| |
| @Override |
| public String getResponseEntityAsString() throws IOException { |
| Charset charset = Charset.forName("UTF-8"); |
| if (charset == null) { |
| throw new RuntimeException("Unknown charset: " + charset); |
| } |
| InputStream is = getResponseEntityAsStream(); |
| StringBuilder sb = new StringBuilder(); |
| try { |
| Reader reader = new InputStreamReader(is, charset); |
| char[] buf = new char[1024]; |
| int read; |
| while ((read = reader.read(buf)) != -1) { |
| sb.append(buf, 0, read); |
| } |
| } finally { |
| is.close(); |
| } |
| return sb.toString(); |
| } |
| |
| @Override |
| public InputStream getResponseEntityAsStream() throws IOException { |
| return responseStream; |
| } |
| |
| public void setResponseStream(InputStream responseStream) { |
| this.responseStream = responseStream; |
| } |
| |
| public void setResponseStream(byte[] bytes) { |
| this.responseStream = new ByteArrayInputStream(bytes); |
| } |
| |
| @Override |
| public List<String> getResponseHeaderValues(String headerName) { |
| return responseHeaders.get(headerName); |
| } |
| |
| @Override |
| public String getResponseHeaderValue(String headerName) { |
| return responseHeaders.getFirst(headerName); |
| } |
| |
| @Override |
| public ListMultimap<String, String> getResponseHeaders() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getStatusCode() { |
| return responseCode; |
| } |
| |
| public void setStatusCode(int responseCode) { |
| this.responseCode = responseCode; |
| } |
| |
| @Override |
| public void close() { |
| if (connected) { |
| try { |
| responseStream.close(); |
| } catch (IOException ex) { |
| // Ignore. |
| } |
| } |
| } |
| } |
| } |