/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 javax.ws.rs.core;
import java.util.Collections;
import java.util.Comparator;
import java.util.Map;
import java.util.TreeMap;
import javax.ws.rs.ext.RuntimeDelegate;
import javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate;
public class MediaType {
public static final String APPLICATION_ATOM_XML =
"application/atom+xml";
public static final MediaType APPLICATION_ATOM_XML_TYPE =
new MediaType(
"application",
"atom+xml");
public static final String APPLICATION_FORM_URLENCODED =
"application/x-www-form-urlencoded";
public static final MediaType APPLICATION_FORM_URLENCODED_TYPE =
new MediaType(
"application",
"x-www-form-urlencoded");
public static final String APPLICATION_JSON =
"application/json";
public static final MediaType APPLICATION_JSON_TYPE =
new MediaType(
"application",
"json");
public static final String APPLICATION_OCTET_STREAM =
"application/octet-stream";
public static final MediaType APPLICATION_OCTET_STREAM_TYPE =
new MediaType(
"application",
"octet-stream");
public static final String APPLICATION_SVG_XML =
"application/svg+xml";
public static final MediaType APPLICATION_SVG_XML_TYPE =
new MediaType(
"application",
"svg+xml");
public static final String APPLICATION_XHTML_XML =
"application/xhtml+xml";
public static final MediaType APPLICATION_XHTML_XML_TYPE =
new MediaType(
"application",
"xhtml+xml");
public static final String APPLICATION_XML =
"application/xml";
public static final MediaType APPLICATION_XML_TYPE =
new MediaType(
"application",
"xml");
public static final String MEDIA_TYPE_WILDCARD = "*";
public static final String MULTIPART_FORM_DATA =
"multipart/form-data";
public static final MediaType MULTIPART_FORM_DATA_TYPE =
new MediaType(
"multipart",
"form-data");
public static final String TEXT_HTML = "text/html";
public static final MediaType TEXT_HTML_TYPE =
new MediaType(
"text",
"html");
public static final String TEXT_PLAIN = "text/plain";
public static final MediaType TEXT_PLAIN_TYPE =
new MediaType(
"text",
"plain");
public static final String TEXT_XML = "text/xml";
public static final MediaType TEXT_XML_TYPE =
new MediaType(
"text",
"xml");
public static final String WILDCARD = "*/*";
public static final MediaType WILDCARD_TYPE =
new MediaType(
"*",
"*");
private final String type;
private final String subtype;
private final Map<String, String> params;
private static final HeaderDelegate<MediaType> delegate =
RuntimeDelegate
.getInstance()
.createHeaderDelegate(MediaType.class);
public MediaType(String type, String subtype, Map<String, String> parameters) {
if (type == null) {
this.type = MEDIA_TYPE_WILDCARD;
} else {
this.type = type;
}
if (subtype == null) {
this.subtype = MEDIA_TYPE_WILDCARD;
} else {
this.subtype = subtype;
}
if (parameters == null) {
this.params = Collections.emptyMap();
} else {
// need to use a temporary map here since for some reason the ordering is important.
Map<String, String> temp = new TreeMap<String, String>(new Comparator<String>() {
public int compare(String o1, String o2) {
return o1.compareToIgnoreCase(o2);
}
});
// need to put in as all lower case keys for comparisons, hashcode, and output
for (String key : parameters.keySet()) {
temp.put(key.toLowerCase(), parameters.get(key));
}
this.params = Collections.unmodifiableMap(temp);
}
}
public MediaType(String type, String subtype) {
this(type, subtype, null);
}
public MediaType() {
this(MEDIA_TYPE_WILDCARD, MEDIA_TYPE_WILDCARD);
}
public static MediaType valueOf(String type) throws java.lang.IllegalArgumentException {
return delegate.fromString(type);
}
public String getType() {
return type;
}
public boolean isWildcardType() {
return MEDIA_TYPE_WILDCARD.equals(getType());
}
public String getSubtype() {
return subtype;
}
public boolean isWildcardSubtype() {
return MEDIA_TYPE_WILDCARD.equals(getSubtype());
}
public Map<String, String> getParameters() {
return params;
}
public boolean isCompatible(MediaType other) {
if (other == null) {
return false;
}
if (isWildcardType() || other.isWildcardType()) {
return true;
}
if (isWildcardSubtype() || other.isWildcardSubtype()) {
return getType().equalsIgnoreCase(other.getType());
}
return getType().equalsIgnoreCase(other.getType()) && getSubtype().equalsIgnoreCase(other
.getSubtype());
}
@Override
public boolean equals(java.lang.Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof MediaType)) {
return false;
}
MediaType other = (MediaType)obj;
return getType().equalsIgnoreCase(other.getType()) && getSubtype().equalsIgnoreCase(other
.getSubtype())
&& getParameters().equals(other.getParameters());
}
@Override
public int hashCode() {
int result = 17;
// be sure to lowercase for comparisions
// be careful about hash code. since not guaranteed that this is a final
// class, need to use methods. methods do not guarantee lowercase
result = 31 * result + getType().toLowerCase().hashCode();
result = 31 * result + getSubtype().toLowerCase().hashCode();
result = 31 * result + getParameters().hashCode();
return result;
}
@Override
public String toString() {
return delegate.toString(this);
}
}