/*
* Copyright 1999-2004 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 com.sun.org.apache.xml.internal.security.transforms.params;
import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
import com.sun.org.apache.xml.internal.security.transforms.TransformParam;
import com.sun.org.apache.xml.internal.security.transforms.Transforms;
import com.sun.org.apache.xml.internal.security.utils.ElementProxy;
import com.sun.org.apache.xml.internal.security.utils.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Implements the parameters for a custom Transform which has a better performance
* thatn the xfilter2.
*
* @author $Author: raul $
*/
public class XPathFilterCHGPContainer extends ElementProxy
implements TransformParam {
/** Field _ATT_FILTER_VALUE_INTERSECT */
private static final String _TAG_INCLUDE_BUT_SEARCH = "IncludeButSearch";
/** Field _ATT_FILTER_VALUE_SUBTRACT */
private static final String _TAG_EXCLUDE_BUT_SEARCH = "ExcludeButSearch";
/** Field _ATT_FILTER_VALUE_UNION */
private static final String _TAG_EXCLUDE = "Exclude";
/** Field _TAG_XPATHCHGP */
public static final String _TAG_XPATHCHGP = "XPathAlternative";
/** Field _ATT_INCLUDESLASH */
public static final String _ATT_INCLUDESLASH = "IncludeSlashPolicy";
/** Field IncludeSlash */
public static final boolean IncludeSlash = true;
/** Field ExcludeSlash */
public static final boolean ExcludeSlash = false;
/**
* Constructor XPathFilterCHGPContainer
*
*/
private XPathFilterCHGPContainer() {
// no instantiation
}
/**
* Constructor XPathFilterCHGPContainer
*
* @param doc
* @param includeSlashPolicy
* @param includeButSearch
* @param excludeButSearch
* @param exclude
*/
private XPathFilterCHGPContainer(Document doc, boolean includeSlashPolicy,
String includeButSearch,
String excludeButSearch, String exclude) {
super(doc);
if (includeSlashPolicy) {
this._constructionElement
.setAttributeNS(null, XPathFilterCHGPContainer._ATT_INCLUDESLASH, "true");
} else {
this._constructionElement
.setAttributeNS(null, XPathFilterCHGPContainer._ATT_INCLUDESLASH, "false");
}
if ((includeButSearch != null)
&& (includeButSearch.trim().length() > 0)) {
Element includeButSearchElem =
ElementProxy.createElementForFamily(doc, this.getBaseNamespace(),
XPathFilterCHGPContainer
._TAG_INCLUDE_BUT_SEARCH);
includeButSearchElem
.appendChild(this._doc
.createTextNode(indentXPathText(includeButSearch)));
this._constructionElement.appendChild(doc.createTextNode("\n"));
this._constructionElement.appendChild(includeButSearchElem);
}
if ((excludeButSearch != null)
&& (excludeButSearch.trim().length() > 0)) {
Element excludeButSearchElem =
ElementProxy.createElementForFamily(doc, this.getBaseNamespace(),
XPathFilterCHGPContainer
._TAG_EXCLUDE_BUT_SEARCH);
excludeButSearchElem
.appendChild(this._doc
.createTextNode(indentXPathText(excludeButSearch)));
this._constructionElement.appendChild(doc.createTextNode("\n"));
this._constructionElement.appendChild(excludeButSearchElem);
}
if ((exclude != null) && (exclude.trim().length() > 0)) {
Element excludeElem = ElementProxy.createElementForFamily(doc,
this.getBaseNamespace(),
XPathFilterCHGPContainer._TAG_EXCLUDE);
excludeElem
.appendChild(this._doc.createTextNode(indentXPathText(exclude)));
this._constructionElement.appendChild(doc.createTextNode("\n"));
this._constructionElement.appendChild(excludeElem);
}
this._constructionElement.appendChild(doc.createTextNode("\n"));
}
/**
* Method indentXPathText
*
* @param xp
* @return the string with enters
*/
static String indentXPathText(String xp) {
if ((xp.length() > 2) && (!Character.isWhitespace(xp.charAt(0)))) {
return "\n" + xp + "\n";
}
return xp;
}
/**
* Constructor XPathFilterCHGPContainer
*
* @param element
* @param BaseURI
* @throws XMLSecurityException
*/
private XPathFilterCHGPContainer(Element element, String BaseURI)
throws XMLSecurityException {
super(element, BaseURI);
}
/**
* Creates a new XPathFilterCHGPContainer; needed for generation.
*
* @param doc
* @param includeSlashPolicy
* @param includeButSearch
* @param excludeButSearch
* @param exclude
* @return the created object
*/
public static XPathFilterCHGPContainer getInstance(Document doc,
boolean includeSlashPolicy, String includeButSearch,
String excludeButSearch, String exclude) {
return new XPathFilterCHGPContainer(doc, includeSlashPolicy,
includeButSearch, excludeButSearch,
exclude);
}
/**
* Creates a XPathFilterCHGPContainer from an existing Element; needed for verification.
*
* @param element
* @param BaseURI
*
* @throws XMLSecurityException
* @return the created object.
*/
public static XPathFilterCHGPContainer getInstance(
Element element, String BaseURI) throws XMLSecurityException {
return new XPathFilterCHGPContainer(element, BaseURI);
}
/**
* Method getXStr
*
* @param type
* @return The Xstr
*/
private String getXStr(String type) {
if (this.length(this.getBaseNamespace(), type) != 1) {
return "";
}
Element xElem = XMLUtils.selectNode(this._constructionElement.getFirstChild(), this.getBaseNamespace(),
type,0);
return XMLUtils.getFullTextChildrenFromElement(xElem);
}
/**
* Method getIncludeButSearch
*
* @return the string
*/
public String getIncludeButSearch() {
return this.getXStr(XPathFilterCHGPContainer._TAG_INCLUDE_BUT_SEARCH);
}
/**
* Method getExcludeButSearch
*
* @return the string
*/
public String getExcludeButSearch() {
return this.getXStr(XPathFilterCHGPContainer._TAG_EXCLUDE_BUT_SEARCH);
}
/**
* Method getExclude
*
* @return the string
*/
public String getExclude() {
return this.getXStr(XPathFilterCHGPContainer._TAG_EXCLUDE);
}
/**
* Method getIncludeSlashPolicy
*
* @return the string
*/
public boolean getIncludeSlashPolicy() {
return this._constructionElement
.getAttributeNS(null, XPathFilterCHGPContainer._ATT_INCLUDESLASH)
.equals("true");
}
/**
* Returns the first Text node which contains information from the XPath
* Filter String. We must use this stupid hook to enable the here() function
* to work.
*
* $todo$ I dunno whether this crashes: <XPath> he<!-- comment -->re()/ds:Signature[1]</XPath>
* @param type
* @return the first Text node which contains information from the XPath 2 Filter String
*/
private Node getHereContextNode(String type) {
if (this.length(this.getBaseNamespace(), type) != 1) {
return null;
}
return XMLUtils.selectNodeText(this._constructionElement.getFirstChild(), this.getBaseNamespace(),
type,0);
}
/**
* Method getHereContextNodeIncludeButSearch
*
* @return the string
*/
public Node getHereContextNodeIncludeButSearch() {
return this
.getHereContextNode(XPathFilterCHGPContainer._TAG_INCLUDE_BUT_SEARCH);
}
/**
* Method getHereContextNodeExcludeButSearch
*
* @return the string
*/
public Node getHereContextNodeExcludeButSearch() {
return this
.getHereContextNode(XPathFilterCHGPContainer._TAG_EXCLUDE_BUT_SEARCH);
}
/**
* Method getHereContextNodeExclude
*
* @return the string
*/
public Node getHereContextNodeExclude() {
return this.getHereContextNode(XPathFilterCHGPContainer._TAG_EXCLUDE);
}
/**
* Method getBaseLocalName
*
* @inheritDoc
*/
public final String getBaseLocalName() {
return XPathFilterCHGPContainer._TAG_XPATHCHGP;
}
/**
* Method getBaseNamespace
*
* @inheritDoc
*/
public final String getBaseNamespace() {
return Transforms.TRANSFORM_XPATHFILTERCHGP;
}
}
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