/*
* $HeadURL: https://svn.apache.org/repos/asf/jakarta/httpcomponents/httpcore/tags/4.0-alpha2/src/java/org/apache/http/message/AbstractHttpMessage.java $
* $Revision: 385789 $
* $Date: 2006-03-14 12:24:05 +0100 (Tue, 14 Mar 2006) $
*
* ====================================================================
*
* Copyright 1999-2006 The Apache Software Foundation
*
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.message;
import java.util.Iterator;
import org.apache.http.Header;
import org.apache.http.HttpMessage;
import org.apache.http.impl.DefaultHttpParams;
import org.apache.http.impl.HeaderGroup;
import org.apache.http.params.HttpParams;
/**
* Basic implementation of an HTTP message that can be modified.
*
* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
*
* @version $Revision: 385789 $
*
* @since 4.0
*/
public abstract class AbstractHttpMessage implements HttpMessage {
private final HeaderGroup headergroup;
private HttpParams params = null;
protected AbstractHttpMessage() {
super();
this.headergroup = new HeaderGroup();
this.params = new DefaultHttpParams(null);
}
public boolean containsHeader(String name) {
return this.headergroup.containsHeader(name);
}
public Header[] getHeaders(final String name) {
return this.headergroup.getHeaders(name);
}
public Header getFirstHeader(final String name) {
return this.headergroup.getFirstHeader(name);
}
public Header getLastHeader(final String name) {
return this.headergroup.getLastHeader(name);
}
public Header[] getAllHeaders() {
return this.headergroup.getAllHeaders();
}
public void addHeader(final Header header) {
this.headergroup.addHeader(header);
}
public void setHeader(final Header header) {
if (header == null) {
return;
}
// clean up
for (;;) {
Header oldheader = this.headergroup.getLastHeader(header.getName());
if (oldheader == null) {
break;
} else {
this.headergroup.removeHeader(oldheader);
}
}
this.headergroup.addHeader(header);
}
public void removeHeader(final Header header) {
this.headergroup.removeHeader(header);
}
public void removeHeaders(final String name) {
if (name == null) {
return;
}
for (Iterator i = this.headergroup.iterator(); i.hasNext(); ) {
Header header = (Header) i.next();
if (name.equalsIgnoreCase(header.getName())) {
i.remove();
}
}
}
public Iterator headerIterator() {
return this.headergroup.iterator();
}
public HttpParams getParams() {
return this.params;
}
public void setParams(final HttpParams params) {
if (params == null) {
throw new IllegalArgumentException("HTTP parameters may not be null");
}
this.params = params;
}
}