/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.security.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.abdera.Abdera;
import org.apache.abdera.model.Document;
import org.apache.abdera.model.Element;
import org.apache.abdera.security.SecurityOptions;
import org.apache.xml.serialize.Serializer;
import org.apache.xml.serialize.XMLSerializer;
@SuppressWarnings("unchecked")
public abstract class SecurityBase {
protected final Abdera abdera;
protected SecurityBase(Abdera abdera) {
this.abdera = abdera;
}
protected Abdera getAbdera() {
return abdera;
}
protected org.w3c.dom.Document fomToDom(
Document doc,
SecurityOptions options) {
org.w3c.dom.Document dom = null;
if (doc != null) {
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
doc.writeTo(out);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(false);
dbf.setNamespaceAware(true);
DocumentBuilder db = dbf.newDocumentBuilder();
dom = db.parse(in);
} catch (Exception e) {}
}
return dom;
}
protected Document domToFom(
org.w3c.dom.Document dom,
SecurityOptions options) {
Document doc = null;
if (dom != null) {
try {
Serializer ser = new XMLSerializer();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ser.setOutputByteStream(out);
ser.asDOMSerializer().serialize(dom);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
doc = options.getParser().parse(in);
} catch (Exception e) {}
}
return doc;
}
protected org.w3c.dom.Element fomToDom(
Element element,
SecurityOptions options) {
org.w3c.dom.Element dom = null;
if (element != null) {
try {
ByteArrayInputStream in = new ByteArrayInputStream(element.toString().getBytes());
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(false);
dbf.setNamespaceAware(true);
DocumentBuilder db = dbf.newDocumentBuilder();
dom = db.parse(in).getDocumentElement();
} catch (Exception e) {}
}
return dom;
}
protected Element domToFom(
org.w3c.dom.Element element,
SecurityOptions options) {
Element el = null;
if (element != null) {
try {
Serializer ser = new XMLSerializer();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ser.setOutputByteStream(out);
ser.asDOMSerializer().serialize(element);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
el = options.getParser().parse(in).getRoot();
} catch (Exception e) {}
}
return el;
}
}