/*
* 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 org.apache.jackrabbit.ocm.query.impl;
import java.util.Map;
import javax.jcr.ValueFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.jackrabbit.ocm.manager.atomictypeconverter.AtomicTypeConverter;
import org.apache.jackrabbit.ocm.mapper.model.ClassDescriptor;
import org.apache.jackrabbit.ocm.query.Filter;
/**
* {@link org.apache.jackrabbit.ocm.query.Filter}
*
* @author <a href="mailto:christophe.lombart@sword-technologies.com">Christophe Lombart</a>
* @author <a href="mailto:the_mindstorm[at]evolva[dot]ro">Alex Popescu</a>
*/
public class FilterImpl implements Filter {
private final static Log log = LogFactory.getLog(FilterImpl.class);
private Class claszz;
private String scope = "";
private String nodeName = "*";
private String jcrExpression = "";
private ClassDescriptor classDescriptor;
private Map atomicTypeConverters;
private ValueFactory valueFactory;
/**
* Constructor
*
* @param classDescriptor
* @param atomicTypeConverters
* @param clazz
*/
public FilterImpl(ClassDescriptor classDescriptor, Map atomicTypeConverters, Class clazz, ValueFactory valueFactory) {
this.claszz = clazz;
this.atomicTypeConverters = atomicTypeConverters;
this.classDescriptor = classDescriptor;
this.valueFactory = valueFactory;
}
/**
*
* @see org.apache.jackrabbit.ocm.query.Filter#getFilterClass()
*/
public Class getFilterClass() {
return claszz;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#setScope(java.lang.String)
*/
public void setScope(String scope) {
this.scope = scope;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#getScope()
*/
public String getScope() {
return this.scope;
}
public String getNodeName() {
return nodeName;
}
public void setNodeName(String nodeName) {
this.nodeName = nodeName;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addContains(java.lang.String, java.lang.String)
*/
public Filter addContains(String scope, String fullTextSearch) {
String jcrExpression = null;
if (scope.equals(".")) {
jcrExpression = "jcr:contains(., '" + fullTextSearch + "')";
}
else {
jcrExpression = "jcr:contains(@" + this.getJcrFieldName(scope) + ", '" + fullTextSearch
+ "')";
}
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addBetween(java.lang.String, java.lang.Object, java.lang.Object)
*/
public Filter addBetween(String fieldAttributeName, Object value1, Object value2) {
String jcrExpression = "( @" + this.getJcrFieldName(fieldAttributeName) + " >= "
+ this.getStringValue(value1)
+ " and @" + this.getJcrFieldName(fieldAttributeName) + " <= "
+ this.getStringValue(value2) + ")";
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addEqualTo(java.lang.String, java.lang.Object)
*/
public Filter addEqualTo(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " = "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addGreaterOrEqualThan(java.lang.String, java.lang.Object)
*/
public Filter addGreaterOrEqualThan(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " >= "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addGreaterThan(java.lang.String, java.lang.Object)
*/
public Filter addGreaterThan(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " > "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addLessOrEqualThan(java.lang.String, java.lang.Object)
*/
public Filter addLessOrEqualThan(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " <= "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addLessOrEqualThan(java.lang.String, java.lang.Object)
*/
public Filter addLessThan(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " < "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addLike(java.lang.String, java.lang.Object)
*/
public Filter addLike(String fieldAttributeName, Object value) {
String jcrExpression = "jcr:like(" + "@" + this.getJcrFieldName(fieldAttributeName) + ", '"
+ value + "')";
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addNotEqualTo(java.lang.String, java.lang.Object)
*/
public Filter addNotEqualTo(String fieldAttributeName, Object value) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " != "
+ this.getStringValue(value);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addNotNull(java.lang.String)
*/
public Filter addNotNull(String fieldAttributeName) {
String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName);
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addIsNull(java.lang.String)
*/
public Filter addIsNull(String fieldAttributeName) {
String jcrExpression = "not(@" + this.getJcrFieldName(fieldAttributeName) + ")";
addExpression(jcrExpression);
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addOrFilter(org.apache.jackrabbit.ocm.query.Filter)
*/
public Filter addOrFilter(Filter filter) {
FilterImpl theFilter = (FilterImpl) filter;
if (theFilter.getJcrExpression() != null && theFilter.getJcrExpression().length() > 0)
{
if ( null == jcrExpression || "".equals(jcrExpression) )
{
jcrExpression = ((FilterImpl) filter).getJcrExpression() ;
}
else
{
jcrExpression = "(" + jcrExpression + ") or ( " + ((FilterImpl) filter).getJcrExpression() + ")";
}
}
return this;
}
/**
* @see org.apache.jackrabbit.ocm.query.Filter#addAndFilter(Filter)
*/
public Filter addAndFilter(Filter filter) {
FilterImpl theFilter = (FilterImpl) filter;
if (theFilter.getJcrExpression() != null && theFilter.getJcrExpression().length() > 0)
{
if ( null == jcrExpression || "".equals(jcrExpression) )
{
jcrExpression = ((FilterImpl) filter).getJcrExpression() ;
}
else
{
jcrExpression = "(" + jcrExpression + ") and ( " + ((FilterImpl) filter).getJcrExpression() + ")";
}
}
return this;
}
public Filter addJCRExpression(String jcrExpression) {
addExpression(jcrExpression);
return this;
}
private String getJcrFieldName(String fieldAttribute) {
String jcrFieldName = classDescriptor.getJcrName(fieldAttribute);
if (jcrFieldName == null) {
log.error("Impossible to find the jcrFieldName for the attribute :" + fieldAttribute);
}
return jcrFieldName;
}
private String getStringValue(Object value) {
AtomicTypeConverter atomicTypeConverter = (AtomicTypeConverter) atomicTypeConverters.get(
value.getClass());
return atomicTypeConverter.getXPathQueryValue(valueFactory, value);
}
public String getJcrExpression() {
return this.jcrExpression;
}
private void addExpression(String jcrExpression) {
if (this.jcrExpression.length() >0) {
this.jcrExpression += " and ";
}
this.jcrExpression += jcrExpression ;
}
public String toString() {
return getJcrExpression();
}
}