| /* |
| * 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.elang.xpath10.o; |
| |
| import java.io.Serializable; |
| import java.net.URI; |
| import java.util.HashMap; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.commons.collections.keyvalue.MultiKey; |
| import org.apache.ode.bpel.o.OBase; |
| import org.apache.ode.bpel.o.OExpression; |
| import org.apache.ode.bpel.o.OLValueExpression; |
| import org.apache.ode.bpel.o.OLink; |
| import org.apache.ode.bpel.o.OMessageVarType; |
| import org.apache.ode.bpel.o.OProcess; |
| import org.apache.ode.bpel.o.OScope; |
| import org.apache.ode.bpel.o.OXslSheet; |
| import org.apache.ode.bpel.o.OScope.Variable; |
| import org.apache.ode.utils.NSContext; |
| |
| |
| /** |
| * Jaxen-based compiled-xpath representation for XPATH 1.0 expression language. |
| */ |
| public class OXPath10Expression extends OLValueExpression implements Serializable { |
| private static final long serialVersionUID = -1L; |
| |
| /** Map from query name to variable declaration. */ |
| public HashMap<String, OScope.Variable> vars = |
| new HashMap<String, OScope.Variable>(); |
| |
| public final HashMap<String, OProcess.OProperty> properties = |
| new HashMap<String, OProcess.OProperty>(); |
| |
| public final HashMap<String, OLink> links = new HashMap<String,OLink>(); |
| |
| /** Map getVariableData invocation signature to compiled objects. */ |
| private final HashMap<SigGetVariableData,OSigGetVariableData> _getVariableDataSigs = |
| new HashMap<SigGetVariableData,OSigGetVariableData>(); |
| |
| public String xpath; |
| public NSContext namespaceCtx; |
| |
| /** QName of the <code>bpws:getVariableData</code> function. */ |
| public final QName qname_getVariableData; |
| |
| /** QName of the <code>bpws:getVariableData</code> function. */ |
| public final QName qname_getVariableProperty; |
| |
| /** QName of the <code>bpws:getVariableData</code> function. */ |
| public final QName qname_getLinkStatus; |
| |
| protected final HashMap<URI, OXslSheet> xslSheets = new HashMap<URI, OXslSheet>(); |
| |
| public OXPath10Expression(OProcess owner, |
| QName qname_getVariableData, |
| QName qname_getVariableProperty, |
| QName qname_getLinkStatus) { |
| super(owner); |
| this.qname_getLinkStatus = qname_getLinkStatus; |
| this.qname_getVariableData = qname_getVariableData; |
| this.qname_getVariableProperty = qname_getVariableProperty; |
| } |
| |
| /** |
| * Get the compiled representation of a certain <code>bpws:getVariableData(...)</code> call. |
| * @param varname variable name |
| * @param partname part name |
| * @param location location query |
| * @return compiled representation, or <code>null</code> if none found |
| */ |
| public OSigGetVariableData resolveGetVariableDataSig(String varname, String partname, String location) { |
| SigGetVariableData key = new SigGetVariableData(varname, partname, location); |
| return _getVariableDataSigs.get(key); |
| } |
| |
| /** |
| * Add a compiled representation for a certain <code>bpws:getVariableData(...)</code> call. |
| * @param varname variable name |
| * @param partname part name |
| * @param location location query |
| * @param compiled compiled representation |
| */ |
| public void addGetVariableDataSig(String varname, String partname, String location, OSigGetVariableData compiled) { |
| _getVariableDataSigs.put(new SigGetVariableData(varname, partname, location), compiled); |
| } |
| |
| public void setXslSheet(URI projectRelativeXslUri, OXslSheet xslSheet) { |
| xslSheets.put(projectRelativeXslUri, xslSheet); |
| } |
| |
| public OXslSheet getXslSheet(URI projectRelativeXslUri) { |
| return xslSheets.get(projectRelativeXslUri); |
| } |
| |
| public String toString() { |
| return "{OXPath10Expression " + xpath + "}"; |
| } |
| |
| /** |
| * Data structure representing the signature of a <code>bpws:getVariableData</code> |
| * invocation. |
| */ |
| private static final class SigGetVariableData implements Serializable { |
| private static final long serialVersionUID = -1L; |
| |
| private final String varname; |
| private final String partname; |
| private final String location; |
| |
| private SigGetVariableData(String varname, String partname, String location) { |
| this.varname = varname; |
| this.partname = partname; |
| this.location = location; |
| } |
| |
| public boolean equals(Object obj) { |
| SigGetVariableData other = (SigGetVariableData) obj; |
| if (varname != null && (other.varname == null || !varname.equals(other.varname))) |
| return false; |
| if (partname != null && (other.partname == null || !partname.equals(other.partname))) |
| return false; |
| if (location != null && (other.location == null || !location.equals(other.location))) |
| return false; |
| |
| return true; |
| } |
| |
| public int hashCode() { |
| int hashCode = 0; |
| if (varname != null) hashCode ^= varname.hashCode(); |
| if (partname != null) hashCode ^= partname.hashCode(); |
| if (location != null) hashCode ^= location.hashCode(); |
| return hashCode; |
| } |
| } |
| |
| /** |
| * Data structure representing the compiled signature of a <code>bpws:getVariableData</code> |
| * invocation. |
| */ |
| public static final class OSigGetVariableData extends OBase { |
| private static final long serialVersionUID = -1L; |
| public final OScope.Variable variable; |
| public final OMessageVarType.Part part; |
| public final OExpression location; |
| |
| public OSigGetVariableData(OProcess owner, OScope.Variable variable, OMessageVarType.Part part, OExpression location) { |
| super(owner); |
| this.variable = variable; |
| this.part = part; |
| this.location = location; |
| } |
| } |
| |
| /** |
| * @see org.apache.ode.bpel.o.OLValueExpression#getVariable() |
| */ |
| public Variable getVariable() { |
| if(vars.size() == 0) |
| throw new IllegalStateException("LValue must have one variable reference."); |
| // We're interested in the first variable referenced by the LValue |
| for (String varName : vars.keySet()) { |
| if (xpath.substring(1, xpath.length()).startsWith(varName)) |
| return vars.get(varName); |
| } |
| throw new IllegalStateException("Either the expression doesn't start with a variable reference or " + |
| "the reference is unknow."); |
| } |
| |
| } |
| |