org.codehaus.jettison.mapped.MappedNamespaceConvention Maven / Gradle / Ivy
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Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
/**
* Copyright 2006 Envoi Solutions LLC
*
* 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.codehaus.jettison.mapped;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.codehaus.jettison.Convention;
import org.codehaus.jettison.Node;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
public class MappedNamespaceConvention implements Convention {
private Map xnsToJns = new HashMap();
private Map jnsToXns = new HashMap();
private List attributesAsElements;
private List jsonAttributesAsElements;
private boolean supressAtAttributes;
private String attributeKey = "@";
private TypeConverter typeConverter;
public MappedNamespaceConvention() {
super();
typeConverter = new DefaultConverter();
}
public MappedNamespaceConvention(Configuration config) {
super();
this.xnsToJns = config.getXmlToJsonNamespaces();
this.attributesAsElements = config.getAttributesAsElements();
this.supressAtAttributes = config.isSupressAtAttributes();
this.attributeKey = config.getAttributeKey();
for (Iterator itr = xnsToJns.entrySet().iterator(); itr.hasNext();) {
Map.Entry entry = (Map.Entry) itr.next();
jnsToXns.put(entry.getValue(), entry.getKey());
}
jsonAttributesAsElements = new ArrayList();
if (attributesAsElements != null) {
for (Iterator itr = attributesAsElements.iterator(); itr.hasNext();) {
QName q = (QName) itr.next();
jsonAttributesAsElements.add(createAttributeKey(q.getPrefix(),
q.getNamespaceURI(),
q.getLocalPart()));
}
}
typeConverter = config.getTypeConverter();
}
/* (non-Javadoc)
* @see org.codehaus.xson.mapped.Convention#processNamespaces(org.codehaus.xson.Node, org.json.JSONObject)
*/
public void processAttributesAndNamespaces(Node n, JSONObject object) throws JSONException {
// Read in the attributes, and stop when there are no more
for (Iterator itr = object.keys(); itr.hasNext();) {
String k = (String) itr.next();
if( this.supressAtAttributes ){
if( k.startsWith(attributeKey)){
k = k.substring( 1 );
}
if( null == this.jsonAttributesAsElements ){
this.jsonAttributesAsElements = new ArrayList();
}
if( ! this.jsonAttributesAsElements.contains( k ) ){
this.jsonAttributesAsElements.add( k );
}
}
if (k.startsWith(attributeKey)) {
String value = object.optString(k);
k = k.substring(1);
if (value != null) {
readAttribute(n, k, value);
} else {
JSONArray array = object.optJSONArray(k);
if (array != null) {
readAttribute(n, k, array);
}
}
itr.remove();
} else if (jsonAttributesAsElements != null
&& jsonAttributesAsElements.contains(k)) {
String value = object.optString(k);
if (value != null) {
readAttribute(n, k, value);
} else {
JSONArray array = object.optJSONArray(k);
if (array != null) {
readAttribute(n, k, array);
}
}
itr.remove();
} else {
int dot = k.lastIndexOf('.');
if (dot != -1) {
String jns = k.substring(0, dot);
n.setNamespace("", (String)jnsToXns.get(jns));
}
}
}
}
public QName createQName(String rootName, Node node) {
return createQName(rootName);
}
private void readAttribute(Node n, String k, JSONArray array) throws JSONException {
for (int i = 0; i < array.length(); i++) {
readAttribute(n, k, array.getString(i));
}
}
private void readAttribute(Node n, String name, String value) throws JSONException {
QName qname = createQName(name);
n.getAttributes().put(qname, value);
}
private QName createQName(String name) {
int dot = name.lastIndexOf('.');
QName qname = null;
String local = name;
if (dot == -1) {
dot = 0;
} else {
local = local.substring(dot+1);
}
String jns = name.substring(0, dot);
String xns = (String) jnsToXns.get(jns);
if (xns == null) {
qname = new QName(name);
} else {
qname = new QName(xns, local);
}
return qname;
}
public String createAttributeKey(String p, String ns, String local) {
StringBuffer builder = new StringBuffer();
if( ! this.supressAtAttributes ){
builder.append(attributeKey);
}
String jns = getJSONNamespace(ns);
if (jns != null && jns.length() != 0) {
builder.append(jns).append('.');
}
return builder.append(local).toString();
}
private String getJSONNamespace(String ns) {
if (ns == null || ns.length() == 0) return "";
String jns = (String) xnsToJns.get(ns);
if (jns == null) {
throw new IllegalStateException("Invalid JSON namespace: " + ns);
}
return jns;
}
public String createKey(String p, String ns, String local) {
StringBuffer builder = new StringBuffer();
String jns = getJSONNamespace(ns);
if (jns != null && jns.length() != 0) {
builder.append(jns).append('.');
}
return builder.append(local).toString();
}
public boolean isElement(String p, String ns, String local) {
if (attributesAsElements == null) return false;
for (Iterator itr = attributesAsElements.iterator(); itr.hasNext();) {
QName q = (QName) itr.next();
if (q.getNamespaceURI().equals(ns)
&& q.getLocalPart().equals(local)) {
return true;
}
}
return false;
}
public Object convertToJSONPrimitive(String text) {
return typeConverter.convertToJSONPrimitive(text);
}
}