com.sun.tools.xjc.util.MimeTypeRange Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxb-xjc Show documentation
Show all versions of jaxb-xjc Show documentation
JAXB Binding Compiler. Contains source code needed for binding customization files into java sources.
In other words: the *tool* to generate java classes for the given xml representation.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.tools.xjc.util;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.activation.MimeType;
import javax.activation.MimeTypeParseException;
/**
* @author Kohsuke Kawaguchi
*/
public class MimeTypeRange {
public final String majorType;
public final String subType;
public final Map parameters = new HashMap();
/**
* Each media-range MAY be followed by one or more accept-params,
* beginning with the "q" parameter for indicating a relative quality
* factor. The first "q" parameter (if any) separates the media-range
* parameter(s) from the accept-params. Quality factors allow the user
* or user agent to indicate the relative degree of preference for that
* media-range, using the qvalue scale from 0 to 1 (section 3.9). The
* default value is q=1.
*/
public final float q;
// accept-extension is not implemented
public static List parseRanges(String s) throws ParseException {
StringCutter cutter = new StringCutter(s,true);
List r = new ArrayList();
while(cutter.length()>0) {
r.add(new MimeTypeRange(cutter));
}
return r;
}
public MimeTypeRange(String s) throws ParseException {
this(new StringCutter(s,true));
}
/**
* Used only to produce the static constants within this class.
*/
private static MimeTypeRange create(String s) {
try {
return new MimeTypeRange(s);
} catch (ParseException e) {
// we only use this method for known inputs
throw new Error(e);
}
}
/**
* @param cutter
* A string like "text/html; charset=utf-8;
*/
private MimeTypeRange(StringCutter cutter) throws ParseException {
majorType = cutter.until("/");
cutter.next("/");
subType = cutter.until("[;,]");
float q = 1.0f;
while(cutter.length()>0) {
String sep = cutter.next("[;,]");
if(sep.equals(","))
break;
String key = cutter.until("=");
cutter.next("=");
String value;
char ch = cutter.peek();
if(ch=='"') {
// quoted
cutter.next("\"");
value = cutter.until("\"");
cutter.next("\"");
} else {
value = cutter.until("[;,]");
}
if(key.equals("q")) {
q = Float.parseFloat(value);
} else {
parameters.put(key,value);
}
}
this.q = q;
}
public MimeType toMimeType() throws MimeTypeParseException {
// due to the additional error check done in the MimeType class,
// an error at this point is possible
return new MimeType(toString());
}
public String toString() {
StringBuilder sb = new StringBuilder(majorType+'/'+subType);
if(q!=1)
sb.append("; q=").append(q);
for( Map.Entry p : parameters.entrySet() ) {
// I'm too lazy to quote the value
sb.append("; ").append(p.getKey()).append('=').append(p.getValue());
}
return sb.toString();
}
public static final MimeTypeRange ALL = create("*/*");
/**
* Creates a range by merging all the given types.
*/
public static MimeTypeRange merge( Collection types ) {
if(types.size()==0) throw new IllegalArgumentException();
if(types.size()==1) return types.iterator().next();
String majorType=null;
for (MimeTypeRange mt : types) {
if(majorType==null) majorType = mt.majorType;
if(!majorType.equals(mt.majorType))
return ALL;
}
return create(majorType+"/*");
}
public static void main(String[] args) throws ParseException {
for( MimeTypeRange m : parseRanges(args[0]))
System.out.println(m.toString());
}
}