/*
* 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.ode.bpel.compiler.v1.xpath10.jaxp;
import javax.xml.namespace.QName;
import javax.xml.transform.TransformerFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ode.bpel.compiler.api.CompilationException;
import org.apache.ode.bpel.compiler.bom.Expression;
import org.apache.ode.bpel.compiler.v1.CompilerContext;
import org.apache.ode.bpel.compiler.v1.xpath10.XslCompilationErrorListener;
import org.apache.ode.bpel.rtrep.v1.OExpression;
import org.apache.ode.bpel.rtrep.v1.OLValueExpression;
import org.apache.ode.bpel.rtrep.v1.xpath10.OXPath10Expression;
import org.apache.ode.bpel.rtrep.v1.xpath10.OXPath10ExpressionBPEL20;
import org.apache.ode.utils.Namespaces;
import org.apache.ode.utils.xsl.XslTransformHandler;
/**
* JAXP based XPath 1.0 expression compiler for BPEL 2.0
*/
public class JaxpXPath10ExpressionCompilerBPEL20 extends JaxpXPath10ExpressionCompilerImpl {
/** Class-level logger. */
private static final Log __log = LogFactory.getLog(JaxpXPath10ExpressionCompilerBPEL20.class);
protected QName _qnDoXslTransform;
public JaxpXPath10ExpressionCompilerBPEL20() {
this(Namespaces.WSBPEL2_0_FINAL_EXEC);
}
public JaxpXPath10ExpressionCompilerBPEL20(String bpelNS) {
super(bpelNS);
TransformerFactory trsf = TransformerFactory.newInstance();
__log.debug("JAXP compiler: TransformerFactory impl = " + trsf.getClass());
XslTransformHandler.getInstance().setTransformerFactory(trsf);
_qnDoXslTransform = new QName(bpelNS, "doXslTransform");
}
/**
* @see org.apache.ode.bpel.compiler.v1.ExpressionCompiler#compileJoinCondition(java.lang.Object)
*/
public OExpression compileJoinCondition(Object source) throws CompilationException {
return _compile((Expression)source, true);
}
@Override
public void setCompilerContext(CompilerContext ctx) {
super.setCompilerContext(ctx);
XslCompilationErrorListener xe = new XslCompilationErrorListener(ctx);
XslTransformHandler.getInstance().setErrorListener(xe);
}
/**
* @see org.apache.ode.bpel.compiler.v2.ExpressionCompiler#compile(java.lang.Object)
*/
public OExpression compile(Object source) throws CompilationException {
return _compile((Expression)source, false);
}
/**
* @see org.apache.ode.bpel.compiler.v2.ExpressionCompiler#compileLValue(java.lang.Object)
*/
public OLValueExpression compileLValue(Object source) throws CompilationException {
return (OLValueExpression)_compile((Expression)source, false);
}
private OExpression _compile(Expression xpath, boolean isJoinCondition) throws CompilationException {
OXPath10Expression oexp = new OXPath10ExpressionBPEL20(
_compilerContext.getOProcess(),
_qnFnGetVariableData,
_qnFnGetVariableProperty,
_qnFnGetLinkStatus,
_qnDoXslTransform,
isJoinCondition);
oexp.namespaceCtx = xpath.getNamespaceContext();
doJaxpCompile(oexp, xpath);
return oexp;
}
}