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Diffstat (limited to 'simple/simple-http/src/main/java/org/simpleframework/http/message/HeaderConsumer.java')
-rw-r--r-- | simple/simple-http/src/main/java/org/simpleframework/http/message/HeaderConsumer.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/simple/simple-http/src/main/java/org/simpleframework/http/message/HeaderConsumer.java b/simple/simple-http/src/main/java/org/simpleframework/http/message/HeaderConsumer.java new file mode 100644 index 0000000..55dab40 --- /dev/null +++ b/simple/simple-http/src/main/java/org/simpleframework/http/message/HeaderConsumer.java @@ -0,0 +1,114 @@ +/* + * HeaderConsumer.java February 2007 + * + * Copyright (C) 2001, Niall Gallagher <niallg@users.sf.net> + * + * 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 org.simpleframework.http.message; + +import java.util.List; + +import org.simpleframework.http.Cookie; + +/** + * The <code>HeaderConsumer</code> object is used to consume a HTTP + * header from the cursor. This extends the segment consumer with + * methods specific to the header. Also this enables session cookies + * to be created using the cookies extracted from the header. + * + * @author Niall Gallagher + */ +public abstract class HeaderConsumer extends SegmentConsumer implements Header { + + /** + * Constructor for the <code>HeaderConsumer</code> object. This + * is used to create a consumer capable of reading a header from + * a provided cursor. All methods of the <code>Header</coder> + * interface are implemented in this object. + */ + protected HeaderConsumer() { + super(); + } + + /** + * This can be used to get the date of the first message header + * that has the specified name. This is a convenience method that + * avoids having to deal with parsing the value of the requested + * HTTP message header. This returns -1 if theres no HTTP header + * value for the specified name. + * + * @param name the HTTP message header to get the value from + * + * @return this returns the date as a long from the header value + */ + public long getDate(String name) { + return header.getDate(name); + } + + /** + * This can be used to get the integer of the first message header + * that has the specified name. This is a convenience method that + * avoids having to deal with parsing the value of the requested + * HTTP message header. This returns -1 if theres no HTTP header + * value for the specified name. + * + * @param name the HTTP message header to get the value from + * + * @return this returns the date as a long from the header value + */ + public int getInteger(String name) { + return header.getInteger(name); + } + + /** + * This method is used to get a <code>List</code> of the names + * for the headers. This will provide the original names for the + * HTTP headers for the message. Modifications to the provided + * list will not affect the header, the list is a simple copy. + * + * @return this returns a list of the names within the header + */ + public List<String> getNames() { + return header.getNames(); + } + + /** + * This is used to acquire a cookie using the name of that cookie. + * If the cookie exists within the HTTP header then it is returned + * as a <code>Cookie</code> object. Otherwise this method will + * return null. Each cookie object will contain the name, value + * and path of the cookie as well as the optional domain part. + * + * @param name this is the name of the cookie object to acquire + * + * @return this returns a cookie object from the header or null + */ + public Cookie getCookie(String name) { + return header.getCookie(name); + } + + /** + * This is used to acquire all cookies that were sent in the header. + * If any cookies exists within the HTTP header they are returned + * as <code>Cookie</code> objects. Otherwise this method will an + * empty list. Each cookie object will contain the name, value and + * path of the cookie as well as the optional domain part. + * + * @return this returns all cookie objects from the HTTP header + */ + public List<Cookie> getCookies() { + return header.getCookies(); + } +} |