/* * 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.o; import org.apache.ode.bpel.o.OScope.Variable; import org.apache.ode.utils.DOMUtils; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import javax.xml.namespace.QName; import java.io.IOException; import java.util.ArrayList; import java.util.List; public class OAssign extends OActivity { static final long serialVersionUID = -1L ; public final List<Copy> copy = new ArrayList<Copy>(); public OAssign(OProcess owner, OActivity parent) { super(owner, parent); } public String toString() { return "{OAssign : " + name + ", joinCondition=" + joinCondition + "}"; } /** * Assignmenet copy entry, i.e. what the assignment consits of. */ public static class Copy extends OBase { private static final long serialVersionUID = 1L; public LValue to; public RValue from; public boolean keepSrcElementName; public Copy(OProcess owner) { super(owner); } public String toString() { return "{OCopy " + to + "=" + from + "}"; } public String getXPath() { return xpath; } } public interface LValue { OScope.Variable getVariable(); } public interface RValue { } public static class Literal extends OBase implements RValue { private static final long serialVersionUID = 1L; public transient Document xmlLiteral; public Literal(OProcess owner, Document xmlLiteral) { super(owner); if (xmlLiteral == null) throw new IllegalArgumentException("null xmlLiteral!"); this.xmlLiteral = xmlLiteral; } public String toString() { return "{Literal " + DOMUtils.domToString(xmlLiteral) + "}"; } private void writeObject(java.io.ObjectOutputStream out) throws IOException { out.writeObject(DOMUtils.domToString(xmlLiteral)); } private void readObject(java.io.ObjectInputStream in) throws IOException { String domStr = null; try { domStr = (String) in.readObject(); } catch (ClassNotFoundException e) { throw (IOException)(new IOException("XML de-serialization error.")).initCause(e); } try { xmlLiteral = DOMUtils.stringToDOM(domStr).getOwnerDocument(); } catch (Exception ex) { throw (IOException)(new IOException("XML de-serialization error.")).initCause(ex); } } public Document getXmlLiteral() { Element literalRoot = xmlLiteral.getDocumentElement(); Document copyDoc = DOMUtils.newDocument(); Node copyElmt = copyDoc.importNode(literalRoot, true); copyDoc.appendChild(copyElmt); return copyDoc; } } public static class LValueExpression extends OBase implements LValue { private static final long serialVersionUID = 1L; public OLValueExpression expression; public LValueExpression(OProcess owner, OLValueExpression compiledExpression) { super(owner); this.expression = compiledExpression; } public String toString() { return expression.toString(); } /** * @see org.apache.ode.bpel.o.OAssign.LValue#getVariable() */ public Variable getVariable() { return expression.getVariable(); } } public static class Expression extends OBase implements RValue { private static final long serialVersionUID = 1L; public OExpression expression; public Expression(OProcess owner, OExpression compiledExpression) { super(owner); this.expression = compiledExpression; } public String toString() { return expression.toString(); } } /** * Direct reference: selects named child of the message document element. * This is used for access to extensions (SOAP headers for example). * @author mszefler */ public static class DirectRef extends OBase implements RValue, LValue { private static final long serialVersionUID = 1L; public DirectRef(OProcess owner) { super(owner); } /** Referenced Variable */ public OScope.Variable variable; /** Name of the element referenced. */ public QName elName; public Variable getVariable() { return variable; } } public static class VariableRef extends OBase implements RValue, LValue { private static final long serialVersionUID = 1L; public OScope.Variable variable; public OMessageVarType.Part part; public OMessageVarType.Part headerPart; public OExpression location; public VariableRef(OProcess owner) { super(owner); } public OScope.Variable getVariable() { return variable; } /** * Report whether this is a reference to a whole "message" * @return <code>true</code> if whole-message reference */ public boolean isMessageRef() { return variable.type instanceof OMessageVarType && part == null && headerPart == null && location == null; } /** * Report whether this is a reference to a message part. * @return <code>true</code> if reference to a message part */ public boolean isPartRef() { return variable.type instanceof OMessageVarType && part != null && location == null; } public boolean isHeaderRef() { return variable.type instanceof OMessageVarType && headerPart != null && location == null; } public String toString() { return "{VarRef " + variable + (part==null ? "" : "." + part.name) + (location == null ? "" : location.toString())+ "}"; } } public static class PropertyRef extends OBase implements RValue, LValue { private static final long serialVersionUID = 1L; public OScope.Variable variable; public OProcess.OPropertyAlias propertyAlias; public PropertyRef(OProcess owner) { super(owner); } public OScope.Variable getVariable() { return variable; } public String toString() { return "{PropRef " + variable + "!" + propertyAlias+ "}"; } } public static class PartnerLinkRef extends OBase implements RValue, LValue { private static final long serialVersionUID = 1L; public OPartnerLink partnerLink; public boolean isMyEndpointReference; public PartnerLinkRef(OProcess owner) { super(owner); } // Must fit in a LValue even if it's not variable based public Variable getVariable() { return null; } public String toString() { return "{PLinkRef " + partnerLink + "!" + isMyEndpointReference + "}"; } } // AL: accept ASTVisitor public void accept(ASTVisitor visitor) { visitor.visit(this); } }