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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.rewrite.handler;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Sets the header in the response whenever the rule finds a match.
*/
public class HeaderPatternRule extends PatternRule
{
private String _name;
private String _value;
private boolean _add=false;
/* ------------------------------------------------------------ */
public HeaderPatternRule()
{
_handling = false;
_terminating = false;
}
/* ------------------------------------------------------------ */
/**
* Sets the header name.
*
* @param name name of the header field
*/
public void setName(String name)
{
_name = name;
}
/* ------------------------------------------------------------ */
/**
* Sets the header value. The value can be either a <code>String</code> or <code>int</code> value.
*
* @param value of the header field
*/
public void setValue(String value)
{
_value = value;
}
/* ------------------------------------------------------------ */
/**
* Sets the Add flag.
* @param add If true, the header is added to the response, otherwise the header it is set on the response.
*/
public void setAdd(boolean add)
{
_add = add;
}
/* ------------------------------------------------------------ */
/**
* Invokes this method when a match found. If the header had already been set,
* the new value overwrites the previous one. Otherwise, it adds the new
* header name and value.
*
*@see org.eclipse.jetty.rewrite.handler.Rule#matchAndApply(String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException
{
// process header
if (_add)
response.addHeader(_name, _value);
else
response.setHeader(_name, _value);
return target;
}
/* ------------------------------------------------------------ */
/**
* Returns the header name.
* @return the header name.
*/
public String getName()
{
return _name;
}
/* ------------------------------------------------------------ */
/**
* Returns the header value.
* @return the header value.
*/
public String getValue()
{
return _value;
}
/* ------------------------------------------------------------ */
/**
* Returns the add flag value.
* @return true if add flag set
*/
public boolean isAdd()
{
return _add;
}
/* ------------------------------------------------------------ */
/**
* Returns the header contents.
*/
@Override
public String toString()
{
return super.toString()+"["+_name+","+_value+"]";
}
}
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