/*
* Copyright 2000-2001,2004 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.
*/
package org.apache.jetspeed.util;
/**
<p>Utility class for declaring MIME types to use for various requests and provide
utility manipulation methods.</p>
<p>Added Content-Encoding capability, with defaults
@author <a href="mailto:raphael@apache.org">Rapha謖 Luta</a>
@author <a href="mailto:sgala@apache.org">Santiago Gala</a>
@version $Id: MimeType.java,v 1.8 2004/02/23 03:23:42 jford Exp $
*/
public class MimeType {
public static final MimeType HTML = new MimeType( "text/html", "UTF-8" ); //FIXME: test
public static final MimeType XHTML = new MimeType( "text/xhtml" );
public static final MimeType WML = new MimeType( "text/vnd.wap.wml" );
public static final MimeType XML = new MimeType( "text/xml" );
public static final MimeType VXML = new MimeType( "text/vxml" );
/**
* Standard ContentType String, with no encoding appended.
*/
private String mimeType = "";
/**
* null value means default encoding.
* Otherwise, charset to be used.
*/
private String charSet = null;
public MimeType( String mimeType ) {
if(mimeType == null) {
throw new NullPointerException();
}
this.mimeType = mimeType;
}
/**
*
*/
public MimeType( String mimeType, String charSet ) {
if(mimeType == null) {
throw new NullPointerException();
}
this.mimeType = mimeType;
this.charSet = charSet;
}
/** Extracts from this MimeType a user-friendly identifying code
* ie "html" for "text/html" or "wml" for "text/vnd.wap.wml"
*
* @param mime the type to simplify
* @return the simplified type
*/
public String getCode() {
String type = this.mimeType;
// get everything after "/"
type = type.substring(type.indexOf("/")+1);
// remove any dot in the name
int idx = type.lastIndexOf(".");
if (idx >= 0 ) {
type = type.substring(idx+1);
}
//remove anything before a "-"
idx = type.lastIndexOf("-");
if (idx >= 0 ) {
type = type.substring(idx+1);
}
return type.toLowerCase();
}
/**
Return the media type associated
*/
public String getContentType()
{
return this.mimeType;
}
/**
Return the character encoding associated, if any
*/
public String getCharSet()
{
return this.charSet;
}
/**
Convert this MimeType to its external String representation
*/
public String toString()
{
if( null == this.charSet )
{
return this.mimeType;
}
return this.mimeType +
"; charset=" +
this.charSet;
}
/**
Compare one MimeType to another
*/
public boolean equals( Object obj ) {
if ( this == obj) {
return true;
}
if (obj instanceof MimeType) {
MimeType comp = (MimeType)obj;
return this.toString().equals( comp.toString() );
} else {
return false;
}
}
}