| /* |
| * Copyright 2008 Netflix, 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 net.oauth.http; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import net.oauth.client.ExcerptInputStream; |
| |
| /** |
| * An HTTP request or response. |
| * |
| * @author John Kristian |
| * @hide |
| */ |
| public class HttpMessage |
| { |
| |
| public HttpMessage() |
| { |
| this(null, null); |
| } |
| |
| public HttpMessage(String method, URL url) |
| { |
| this(method, url, null); |
| } |
| |
| public HttpMessage(String method, URL url, InputStream body) |
| { |
| this.method = method; |
| this.url = url; |
| this.body = body; |
| } |
| |
| public String method; |
| public URL url; |
| public final List<Map.Entry<String, String>> headers = new ArrayList<Map.Entry<String, String>>(); |
| protected InputStream body = null; |
| |
| /** |
| * Get the value of the last header of the given name. The name is |
| * case-insensitive. |
| */ |
| public final String getHeader(String name) |
| { |
| String value = null; |
| for (Map.Entry<String, String> header : headers) { |
| if (equalsIgnoreCase(name, header.getKey())) { |
| value = header.getValue(); |
| } |
| } |
| return value; |
| } |
| |
| /** |
| * Remove all headers of the given name. The name is case insensitive. |
| * |
| * @return the value of the last header with that name, or null to indicate |
| * there was no such header |
| */ |
| public String removeHeaders(String name) |
| { |
| String value = null; |
| for (Iterator<Map.Entry<String, String>> i = headers.iterator(); i.hasNext();) { |
| Map.Entry<String, String> header = i.next(); |
| if (equalsIgnoreCase(name, header.getKey())) { |
| value = header.getValue(); |
| i.remove(); |
| } |
| } |
| return value; |
| } |
| |
| public final String getContentCharset() |
| { |
| return getCharset(getHeader(CONTENT_TYPE)); |
| } |
| |
| public final InputStream getBody() throws IOException |
| { |
| if (body == null) { |
| InputStream raw = openBody(); |
| if (raw != null) { |
| body = new ExcerptInputStream(raw); |
| } |
| } |
| return body; |
| } |
| |
| protected InputStream openBody() throws IOException |
| { |
| return null; |
| } |
| |
| /** Put a description of this message and its origins into the given Map. */ |
| public void dump(Map<String, Object> into) throws IOException |
| { |
| } |
| |
| private static boolean equalsIgnoreCase(String x, String y) |
| { |
| if (x == null) |
| return y == null; |
| else |
| return x.equalsIgnoreCase(y); |
| } |
| |
| private static final String getCharset(String mimeType) |
| { |
| if (mimeType != null) { |
| Matcher m = CHARSET.matcher(mimeType); |
| if (m.find()) { |
| String charset = m.group(1); |
| if (charset.length() >= 2 && charset.charAt(0) == '"' |
| && charset.charAt(charset.length() - 1) == '"') { |
| charset = charset.substring(1, charset.length() - 1); |
| charset = charset.replace("\\\"", "\""); |
| } |
| return charset; |
| } |
| } |
| return DEFAULT_CHARSET; |
| } |
| |
| /** The name of a dump entry whose value is the HTTP request. */ |
| public static final String REQUEST = "HTTP request"; |
| |
| /** The name of a dump entry whose value is the HTTP response. */ |
| public static final String RESPONSE = "HTTP response"; |
| |
| public static final String ACCEPT_ENCODING = "Accept-Encoding"; |
| public static final String CONTENT_ENCODING = "Content-Encoding"; |
| public static final String CONTENT_LENGTH = "Content-Length"; |
| public static final String CONTENT_TYPE = "Content-Type"; |
| public static final String DEFAULT_CHARSET = "ISO-8859-1"; |
| |
| private static final Pattern CHARSET = Pattern |
| .compile("; *charset *= *([^;\"]*|\"([^\"]|\\\\\")*\")(;|$)"); |
| |
| } |