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/**
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices. Redistributions
* must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided with
* the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
* without prior written permission of Intalio, Inc. For written permission, please contact
* [email protected].
*
* 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
* their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
* Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.dsml;
import java.io.Serializable;
import java.util.Enumeration;
import java.util.Collections;
import java.util.Vector;
import org.xml.sax.DocumentHandler;
import org.xml.sax.AttributeList;
import org.xml.sax.SAXException;
import org.xml.sax.HandlerBase;
import org.xml.sax.helpers.AttributeListImpl;
import org.castor.core.util.Messages;
/**
*
*
* @author Assaf Arkin
* @version $Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $
*/
public class SearchDescriptor extends HandlerBase implements Serializable {
/** SerialVersionUID. */
private static final long serialVersionUID = -6614367393322175115L;
public static class Scope {
public static final int ONE_LEVEL = 0;
public static final int BASE = 1;
public static final int SUB_TREE = 3;
}
static class Names {
static class Element {
public static final String SEARCH = "search";
public static final String RETURN_ATTRIBUTE = "return-attr";
}
static class Attribute {
public static final String ATTRIBUTE_NAME = "name";
public static final String BASE_DN = "base";
public static final String SCOPE = "scope";
public static final String FILTER = "filter";
public static final String SCOPE_ONE_LEVEL = "onelevel";
public static final String SCOPE_BASE = "base";
public static final String SCOPE_SUB_TREE = "subtree";
}
}
private int _scope = Scope.BASE;
private String _baseDN;
private String _filter;
private Vector _returnAttrs;
private StringBuffer _attrName;
private boolean _insideRoot;
public SearchDescriptor() {}
public int getScope() {
return _scope;
}
public void setScope(final int scope) {
_scope = scope;
}
public String getBaseDN() {
return _baseDN;
}
public void setBaseDN(final String baseDN) {
_baseDN = baseDN;
}
public String getFilter() {
return _filter;
}
public void setFilter(final String filter) {
_filter = filter;
}
public String[] getReturnAttrs() {
if (_returnAttrs == null) {
return null;
}
return _returnAttrs.toArray(new String[_returnAttrs.size()]);
}
public Enumeration listReturnAttrs() {
if (_returnAttrs == null) {
return Collections.emptyEnumeration();
}
return _returnAttrs.elements();
}
public void addReturnAttr(final String attrName) {
if (_returnAttrs == null) {
_returnAttrs = new Vector<>();
}
if (!_returnAttrs.contains(attrName)) {
_returnAttrs.add(attrName);
}
}
public void produce(final DocumentHandler docHandler) throws SAXException {
AttributeListImpl attrList = new AttributeListImpl();
docHandler.startElement(XML.Namespace.ROOT, attrList);
attrList = new AttributeListImpl();
if (_baseDN != null) {
attrList.addAttribute(Names.Attribute.BASE_DN, "CDATA", _baseDN);
}
if (_filter != null) {
attrList.addAttribute(Names.Attribute.FILTER, "CDATA", _filter);
}
switch (_scope) {
case Scope.ONE_LEVEL:
attrList.addAttribute(Names.Attribute.SCOPE, null, Names.Attribute.SCOPE_ONE_LEVEL);
break;
case Scope.BASE:
attrList.addAttribute(Names.Attribute.SCOPE, null, Names.Attribute.SCOPE_BASE);
break;
case Scope.SUB_TREE:
attrList.addAttribute(Names.Attribute.SCOPE, null, Names.Attribute.SCOPE_SUB_TREE);
break;
}
docHandler.startElement(Names.Element.SEARCH, attrList);
if (_returnAttrs != null) {
Enumeration enumeration = _returnAttrs.elements();
while (enumeration.hasMoreElements()) {
attrList = new AttributeListImpl();
attrList.addAttribute(Names.Attribute.ATTRIBUTE_NAME, "NMTOKEN", enumeration.nextElement());
docHandler.startElement(Names.Element.RETURN_ATTRIBUTE, attrList);
docHandler.endElement(Names.Element.RETURN_ATTRIBUTE);
}
}
docHandler.endElement(Names.Element.SEARCH);
docHandler.endElement(XML.Namespace.ROOT);
}
public void startElement(final String tagName, final AttributeList attr) throws SAXException {
String value;
if (tagName.equals(XML.Namespace.ROOT)) {
// Flag when entering (and leaving) the root element.
if (_insideRoot) {
throw new SAXException(Messages.format("dsml.elementNested", XML.Namespace.ROOT));
}
_insideRoot = true;
} else {
if (!_insideRoot) {
throw new SAXException(
Messages.format("dsml.expectingOpeningTag", XML.Namespace.ROOT, tagName));
}
if (tagName.equals(Names.Element.SEARCH)) {
_baseDN = attr.getValue(Names.Attribute.BASE_DN);
if (_baseDN == null) {
throw new SAXException(Messages.format("dsml.missingAttribute", Names.Element.SEARCH,
Names.Attribute.BASE_DN));
}
_filter = attr.getValue(Names.Attribute.FILTER);
value = attr.getValue(Names.Attribute.SCOPE);
if (value != null) {
if (value.equals(Names.Attribute.SCOPE_ONE_LEVEL)) {
_scope = Scope.ONE_LEVEL;
} else if (value.equals(Names.Attribute.SCOPE_BASE)) {
_scope = Scope.BASE;
} else if (value.equals(Names.Attribute.SCOPE_SUB_TREE)) {
_scope = Scope.SUB_TREE;
} else {
throw new SAXException(
Messages.format("dsml.invalidValue", Names.Attribute.SCOPE, value));
}
}
} else if (tagName.equals(Names.Element.RETURN_ATTRIBUTE)) {
if (_baseDN == null) {
throw new SAXException(
Messages.format("dsml.expectingOpeningTag", Names.Element.SEARCH, tagName));
}
// Create a string buffer, characters() will fill it up,
// endElement() will add it to the list.
_attrName = new StringBuffer();
} else {
throw new SAXException(
Messages.format("dsml.expectingOpeningTag", Names.Element.SEARCH, tagName));
}
}
}
public void endElement(final String tagName) throws SAXException {
if (tagName.equals(XML.Namespace.ROOT)) {
if (_insideRoot) {
_insideRoot = false;
} else {
throw new SAXException(Messages.format("dsml.closingOutsideRoot", tagName));
}
} else {
if (!_insideRoot) {
throw new SAXException(Messages.format("dsml.closingOutsideRoot", tagName));
}
if (tagName.equals(Names.Element.SEARCH)) {
// Nothing to do hare
} else if (tagName.equals(Names.Element.RETURN_ATTRIBUTE)) {
if (_attrName.length() > 0) {
addReturnAttr(_attrName.toString());
_attrName = null;
}
} else {
throw new SAXException(
Messages.format("dsml.expectingClosingTag", Names.Element.SEARCH, tagName));
}
}
}
public void characters(final char[] ch, final int offset, final int length) {
if (_attrName != null) {
_attrName.append(ch, offset, length);
}
}
}