Example usage for org.w3c.dom Node DOCUMENT

Introduction

In this page you can find the example usage for org.w3c.dom Node DOCUMENT_NODE.

Prototype

short DOCUMENT_NODE

To view the source code for org.w3c.dom Node DOCUMENT_NODE.

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Document

The node is a Document.

Usage

From source file:org.apache.ode.bpel.rtrep.v1.xpath20.XPath20ExpressionRuntime.java

/**
 * @see org.apache.ode.bpel.explang.ExpressionLanguageRuntime#evaluate(org.apache.ode.bpel.rtrep.v1.OExpression, org.apache.ode.bpel.explang.EvaluationContext)
 *//*from ww  w .  jav a2  s.  co m*/
@SuppressWarnings("unchecked")
public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException {
    List result;
    Object someRes = null;
    try {
        someRes = evaluate(cexp, ctx, XPathConstants.NODESET);
    } catch (Exception e) {
        someRes = evaluate(cexp, ctx, XPathConstants.STRING);
    }
    if (someRes instanceof List) {
        result = (List) someRes;
        __log.debug("Returned list of size " + result.size());
        if ((result.size() == 1) && !(result.get(0) instanceof Node)) {
            // Dealing with a Java class
            Object simpleType = result.get(0);
            // Dates get a separate treatment as we don't want to call toString on them
            String textVal;
            if (simpleType instanceof Date) {
                textVal = ISO8601DateParser.format((Date) simpleType);
            } else if (simpleType instanceof DurationValue) {
                textVal = ((DurationValue) simpleType).getStringValue();
            } else {
                textVal = simpleType.toString();
            }

            // Wrapping in a document
            Document document = DOMUtils.newDocument();
            // Giving our node a parent just in case it's an LValue expression
            Element wrapper = document.createElement("wrapper");
            Text text = document.createTextNode(textVal);
            wrapper.appendChild(text);
            document.appendChild(wrapper);
            result = Collections.singletonList(text);
        }
    } else if (someRes instanceof NodeList) {
        NodeList retVal = (NodeList) someRes;
        __log.debug("Returned node list of size " + retVal.getLength());
        result = new ArrayList(retVal.getLength());
        for (int m = 0; m < retVal.getLength(); ++m) {
            Node val = retVal.item(m);
            if (val.getNodeType() == Node.DOCUMENT_NODE) {
                val = ((Document) val).getDocumentElement();
            }
            result.add(val);
        }
    } else if (someRes instanceof String) {
        // Wrapping in a document
        Document document = DOMUtils.newDocument();
        Element wrapper = document.createElement("wrapper");
        Text text = document.createTextNode((String) someRes);
        wrapper.appendChild(text);
        document.appendChild(wrapper);
        result = Collections.singletonList(text);
    } else {
        result = null;
    }

    return result;
}

From source file:org.apache.ode.bpel.rtrep.v2.ASSIGN.java

private void copy(OAssign.Copy ocopy) throws FaultException, ExternalVariableModuleException {

    if (__log.isDebugEnabled())
        __log.debug("Assign.copy(" + ocopy + ")");

    ScopeEvent se;//from  w  w  w  .  j a  v a2 s.  c om

    // Check for message to message - copy, we can do this efficiently in
    // the database.
    if ((ocopy.to instanceof OAssign.VariableRef && ((OAssign.VariableRef) ocopy.to).isMessageRef())
            || (ocopy.from instanceof OAssign.VariableRef
                    && ((OAssign.VariableRef) ocopy.from).isMessageRef())) {

        if ((ocopy.to instanceof OAssign.VariableRef && ((OAssign.VariableRef) ocopy.to).isMessageRef())
                && ocopy.from instanceof OAssign.VariableRef
                && ((OAssign.VariableRef) ocopy.from).isMessageRef()) {

            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            final VariableInstance rval = _scopeFrame.resolve(((OAssign.VariableRef) ocopy.from).getVariable());
            Element lvalue = (Element) fetchVariableData(rval, false);
            initializeVariable(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        } else {
            // This really should have been caught by the compiler.
            __log.fatal("Message/Non-Message Assignment, should be caught by compiler:" + ocopy);
            throw new FaultException(ocopy.getOwner().constants.qnSelectionFailure,
                    "Message/Non-Message Assignment:  " + ocopy);
        }
    } else {
        // Conventional Assignment logic.
        Node rvalue = evalRValue(ocopy.from);
        Node lvalue = evalLValue(ocopy.to);
        if (__log.isDebugEnabled()) {
            __log.debug("lvalue after eval " + lvalue);
            if (lvalue != null)
                __log.debug("content " + DOMUtils.domToString(lvalue));
        }

        // Get a pointer within the lvalue.
        Node lvaluePtr = lvalue;
        boolean headerAssign = false;
        if (ocopy.to instanceof OAssign.DirectRef) {
            OAssign.DirectRef dref = ((OAssign.DirectRef) ocopy.to);
            Element el = DOMUtils.findChildByName((Element) lvalue, dref.elName);
            if (el == null) {
                el = (Element) ((Element) lvalue).appendChild(lvalue.getOwnerDocument()
                        .createElementNS(dref.elName.getNamespaceURI(), dref.elName.getLocalPart()));
            }
            lvaluePtr = el;
        } else if (ocopy.to instanceof OAssign.VariableRef) {
            OAssign.VariableRef varRef = ((OAssign.VariableRef) ocopy.to);
            if (varRef.headerPart != null)
                headerAssign = true;
            lvaluePtr = evalQuery(lvalue, varRef.part != null ? varRef.part : varRef.headerPart,
                    varRef.location, new EvaluationContextProxy(varRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.PropertyRef) {
            OAssign.PropertyRef propRef = ((OAssign.PropertyRef) ocopy.to);
            lvaluePtr = evalQuery(lvalue, propRef.propertyAlias.part, propRef.propertyAlias.location,
                    new EvaluationContextProxy(propRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.LValueExpression) {
            OAssign.LValueExpression lexpr = (OAssign.LValueExpression) ocopy.to;
            lexpr.setInsertMissingToData(ocopy.insertMissingToData);
            lvaluePtr = evalQuery(lvalue, null, lexpr.expression,
                    new EvaluationContextProxy(lexpr.getVariable(), lvalue));
            if (__log.isDebugEnabled())
                __log.debug("lvaluePtr expr res " + lvaluePtr);
        }

        // For partner link assignmenent, the whole content is assigned.
        if (ocopy.to instanceof OAssign.PartnerLinkRef) {
            OAssign.PartnerLinkRef pLinkRef = ((OAssign.PartnerLinkRef) ocopy.to);
            PartnerLinkInstance plval = _scopeFrame.resolve(pLinkRef.partnerLink);
            replaceEndpointRefence(plval, rvalue);
            se = new PartnerLinkModificationEvent(((OAssign.PartnerLinkRef) ocopy.to).partnerLink.getName());
        } else if (ocopy.to.getVariable().type instanceof OPropertyVarType) {
            // For poperty assignment, the property, the variable that points to it and the correlation set
            // all have the same name
            CorrelationSetInstance csetInstance = _scopeFrame.resolve(ocopy.to.getVariable().name);
            CorrelationKey ckey = new CorrelationKey(csetInstance.declaration.getId(),
                    new String[] { rvalue.getTextContent() });
            if (__log.isDebugEnabled())
                __log.debug("Writing correlation " + csetInstance.getName() + " using value "
                        + rvalue.getTextContent());
            getBpelRuntime().writeCorrelation(csetInstance, ckey);
            se = new CorrelationSetWriteEvent(csetInstance.declaration.name, ckey);
        } else {
            // Sneakily converting the EPR if it's not the format expected by the lvalue
            if (ocopy.from instanceof OAssign.PartnerLinkRef) {
                rvalue = getBpelRuntime().convertEndpointReference((Element) rvalue, lvaluePtr);
                if (rvalue.getNodeType() == Node.DOCUMENT_NODE)
                    rvalue = ((Document) rvalue).getDocumentElement();
            }

            if (headerAssign && lvaluePtr.getParentNode().getNodeName().equals("message")
                    && rvalue.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = copyInto((Element) lvalue, (Element) lvaluePtr, (Element) rvalue);
            } else if (rvalue.getNodeType() == Node.ELEMENT_NODE
                    && lvaluePtr.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = replaceElement((Element) lvalue, (Element) lvaluePtr, (Element) rvalue,
                        ocopy.keepSrcElementName);
            } else {
                lvalue = replaceContent(lvalue, lvaluePtr, rvalue.getTextContent());
            }
            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            if (__log.isDebugEnabled())
                __log.debug("ASSIGN Writing variable '" + lval.declaration.name + "' value '"
                        + DOMUtils.domToString(lvalue) + "'");
            commitChanges(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        }
    }

    if (ocopy.debugInfo != null)
        se.setLineNo(ocopy.debugInfo.startLine);
    sendEvent(se);
}

From source file:org.apache.ode.bpel.rtrep.v2.AssignHelper.java

/**
 * Initializes single variable by using it's 'from-spec'
 * @param var/*from   ww w . j av  a  2s.c o  m*/
 * @author madars.vitolins _at gmail.com, 2009.04.17
 */
public void initVar(Variable var) throws FaultException, ExternalVariableModuleException {
    __log.info("Initializing variable [" + var.name + "]");
    // Init variable from another variable
    if (var.type instanceof OMessageVarType && var.from instanceof OAssign.VariableRef
            && ((OAssign.VariableRef) var.from).isMessageRef()) {
        final VariableInstance lval = _scopeFrame.resolve(var);
        final VariableInstance rval = _scopeFrame.resolve(((OAssign.VariableRef) var.from).getVariable());
        Element lvalue = (Element) fetchVariableData(rval, false);
        initializeVariable(lval, lvalue);
    } else {

        Node rvalue = evalRValue(var.from);
        Node lvalue = evalLValue(var);
        // Dump r-value
        if (__log.isDebugEnabled()) {
            __log.debug("rvalue after eval " + rvalue);
            if (rvalue != null)
                __log.debug("content " + DOMUtils.domToString(rvalue));
        }
        // Dump l-value
        if (__log.isDebugEnabled()) {
            __log.debug("lvalue after eval " + rvalue);
            if (lvalue != null)
                __log.debug("content " + DOMUtils.domToString(lvalue));
        }

        Node lvaluePtr = lvalue;
        // Sneakily converting the EPR if it's not the format expected by
        // the lvalue
        if (var.from instanceof OAssign.PartnerLinkRef) {
            rvalue = getBpelRuntime().convertEndpointReference((Element) rvalue, lvaluePtr);
            if (rvalue.getNodeType() == Node.DOCUMENT_NODE)
                rvalue = ((Document) rvalue).getDocumentElement();
        }

        if (rvalue.getNodeType() == Node.ELEMENT_NODE && lvaluePtr.getNodeType() == Node.ELEMENT_NODE) {
            lvalue = replaceElement((Element) lvalue, (Element) lvaluePtr, (Element) rvalue, true);
        } else {
            lvalue = replaceContent(lvalue, lvaluePtr, rvalue.getTextContent());
        }
        final VariableInstance lval = _scopeFrame.resolve(var);
        if (__log.isDebugEnabled())
            __log.debug("SCOPE initialized variable '" + lval.declaration.name + "' value '"
                    + DOMUtils.domToString(lvalue) + "'");

        // Commit changes!
        commitChanges(lval, lvalue);
    }
}

From source file:org.apache.ode.bpel.rtrep.v2.xpath20.XPath20ExpressionRuntime.java

@SuppressWarnings("unchecked")
public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException {
    List result;//w  w w .j  ava  2 s .c  o m
    Object someRes = null;
    try {
        someRes = evaluate(cexp, ctx, XPathConstants.NODESET);
    } catch (Exception e) {
        someRes = evaluate(cexp, ctx, XPathConstants.STRING);
    }
    if (someRes instanceof List) {
        result = (List) someRes;
        __log.debug("Returned list of size " + result.size());
        if ((result.size() == 1) && !(result.get(0) instanceof Node)) {
            // Dealing with a Java class
            Object simpleType = result.get(0);
            // Dates get a separate treatment as we don't want to call toString on them
            String textVal;
            if (simpleType instanceof Date) {
                textVal = ISO8601DateParser.format((Date) simpleType);
            } else if (simpleType instanceof DurationValue) {
                textVal = ((DurationValue) simpleType).getStringValue();
            } else {
                textVal = simpleType.toString();
            }

            // Wrapping in a document
            Document document = DOMUtils.newDocument();
            // Giving our node a parent just in case it's an LValue expression
            Element wrapper = document.createElement("wrapper");
            Text text = document.createTextNode(textVal);
            wrapper.appendChild(text);
            document.appendChild(wrapper);
            result = Collections.singletonList(text);
        }
    } else if (someRes instanceof NodeList) {
        NodeList retVal = (NodeList) someRes;
        __log.debug("Returned node list of size " + retVal.getLength());
        result = new ArrayList(retVal.getLength());
        for (int m = 0; m < retVal.getLength(); ++m) {
            Node val = retVal.item(m);
            if (val.getNodeType() == Node.DOCUMENT_NODE) {
                val = ((Document) val).getDocumentElement();
            }
            result.add(val);
        }
    } else if (someRes instanceof String) {
        // Wrapping in a document
        Document document = DOMUtils.newDocument();
        Element wrapper = document.createElement("wrapper");
        Text text = document.createTextNode((String) someRes);
        wrapper.appendChild(text);
        document.appendChild(wrapper);
        result = Collections.singletonList(text);
    } else {
        result = null;
    }

    return result;
}

From source file:org.apache.ode.bpel.rtrep.v2.xquery10.runtime.XQuery10ExpressionRuntime.java

/**
 * /*from  ww  w.ja  v a2  s.c o m*/
 * @see org.apache.ode.bpel.explang.ExpressionLanguageRuntime#evaluate(org.apache.ode.bpel.o.OExpression,
 *      org.apache.ode.bpel.explang.EvaluationContext)
 */
public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException {
    List result;
    Object someRes = evaluate(cexp, ctx, XPathConstants.NODESET);

    if (someRes instanceof List) {
        result = (List) someRes;
        __log.debug("Returned list of size " + result.size());

        if ((result.size() == 1) && !(result.get(0) instanceof Node)) {
            // Dealing with a Java class
            Object simpleType = result.get(0);

            // Dates get a separate treatment as we don't want to call toString on them
            String textVal;

            if (simpleType instanceof Date) {
                textVal = ISO8601DateParser.format((Date) simpleType);
            } else if (simpleType instanceof DurationValue) {
                textVal = ((DurationValue) simpleType).getStringValue();
            } else {
                textVal = simpleType.toString();
            }

            // Wrapping in a document
            Document d = DOMUtils.newDocument();

            // Giving our node a parent just in case it's an LValue expression
            Element wrapper = d.createElement("wrapper");
            Text text = d.createTextNode(textVal);
            wrapper.appendChild(text);
            d.appendChild(wrapper);
            result = Collections.singletonList(text);
        }
    } else if (someRes instanceof NodeList) {
        NodeList retVal = (NodeList) someRes;
        __log.debug("Returned node list of size " + retVal.getLength());
        result = new ArrayList(retVal.getLength());

        for (int m = 0; m < retVal.getLength(); ++m) {
            Node val = retVal.item(m);

            if (val.getNodeType() == Node.DOCUMENT_NODE) {
                val = ((Document) val).getDocumentElement();
            }

            result.add(val);
        }
    } else {
        result = null;
    }

    return result;
}

From source file:org.apache.ode.bpel.runtime.ASSIGN.java

private void copy(OAssign.Copy ocopy) throws FaultException, ExternalVariableModuleException {

    if (__log.isDebugEnabled())
        __log.debug("Assign.copy(" + ocopy + ")");

    ScopeEvent se;/*from w  w  w.  jav a2 s  .  co m*/

    // Check for message to message - copy, we can do this efficiently in
    // the database.
    if ((ocopy.to instanceof VariableRef && ((VariableRef) ocopy.to).isMessageRef())
            || (ocopy.from instanceof VariableRef && ((VariableRef) ocopy.from).isMessageRef())) {

        if ((ocopy.to instanceof VariableRef && ((VariableRef) ocopy.to).isMessageRef())
                && ocopy.from instanceof VariableRef && ((VariableRef) ocopy.from).isMessageRef()) {

            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            final VariableInstance rval = _scopeFrame.resolve(((VariableRef) ocopy.from).getVariable());
            Element lvalue = (Element) fetchVariableData(rval, false);
            initializeVariable(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        } else {
            // This really should have been caught by the compiler.
            __log.fatal("Message/Non-Message Assignment, should be caught by compiler:" + ocopy);
            throw new FaultException(ocopy.getOwner().constants.qnSelectionFailure,
                    "Message/Non-Message Assignment:  " + ocopy);
        }
    } else {
        // Conventional Assignment logic.
        Node rvalue = evalRValue(ocopy.from);
        Node lvalue = evalLValue(ocopy.to);
        if (__log.isDebugEnabled()) {
            __log.debug("lvalue after eval " + lvalue);
            if (lvalue != null)
                __log.debug("content " + DOMUtils.domToString(lvalue));
        }

        // Get a pointer within the lvalue.
        Node lvaluePtr = lvalue;
        boolean headerAssign = false;
        if (ocopy.to instanceof OAssign.DirectRef) {
            DirectRef dref = ((DirectRef) ocopy.to);
            Element el = DOMUtils.findChildByName((Element) lvalue, dref.elName);
            if (el == null) {
                el = (Element) ((Element) lvalue).appendChild(lvalue.getOwnerDocument()
                        .createElementNS(dref.elName.getNamespaceURI(), dref.elName.getLocalPart()));
            }
            lvaluePtr = el;
        } else if (ocopy.to instanceof OAssign.VariableRef) {
            VariableRef varRef = ((VariableRef) ocopy.to);
            if (varRef.headerPart != null)
                headerAssign = true;
            lvaluePtr = evalQuery(lvalue, varRef.part != null ? varRef.part : varRef.headerPart,
                    varRef.location, new EvaluationContextProxy(varRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.PropertyRef) {
            PropertyRef propRef = ((PropertyRef) ocopy.to);
            lvaluePtr = evalQuery(lvalue, propRef.propertyAlias.part, propRef.propertyAlias.location,
                    new EvaluationContextProxy(propRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.LValueExpression) {
            LValueExpression lexpr = (LValueExpression) ocopy.to;
            lexpr.setInsertMissingToData(ocopy.insertMissingToData);
            lvaluePtr = evalQuery(lvalue, null, lexpr.expression,
                    new EvaluationContextProxy(lexpr.getVariable(), lvalue));
            if (__log.isDebugEnabled())
                __log.debug("lvaluePtr expr res " + lvaluePtr);
        }

        // For partner link assignmenent, the whole content is assigned.
        if (ocopy.to instanceof OAssign.PartnerLinkRef) {
            OAssign.PartnerLinkRef pLinkRef = ((OAssign.PartnerLinkRef) ocopy.to);
            PartnerLinkInstance plval = _scopeFrame.resolve(pLinkRef.partnerLink);
            replaceEndpointRefence(plval, rvalue);
            se = new PartnerLinkModificationEvent(((OAssign.PartnerLinkRef) ocopy.to).partnerLink.getName());
        } else {
            // Sneakily converting the EPR if it's not the format expected by the lvalue
            if (ocopy.from instanceof OAssign.PartnerLinkRef) {
                rvalue = getBpelRuntimeContext().convertEndpointReference((Element) rvalue, lvaluePtr);
                if (rvalue.getNodeType() == Node.DOCUMENT_NODE)
                    rvalue = ((Document) rvalue).getDocumentElement();
            }

            Node parentNode = lvaluePtr.getParentNode();
            if (headerAssign && parentNode != null && "message".equals(parentNode.getNodeName())
                    && rvalue.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = copyInto((Element) lvalue, (Element) lvaluePtr, (Element) rvalue);
            } else if (rvalue.getNodeType() == Node.ELEMENT_NODE
                    && lvaluePtr.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = replaceElement((Element) lvalue, (Element) lvaluePtr, (Element) rvalue,
                        ocopy.keepSrcElementName);
            } else {
                lvalue = replaceContent(lvalue, lvaluePtr, rvalue.getTextContent());
            }
            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            if (__log.isDebugEnabled())
                __log.debug("ASSIGN Writing variable '" + lval.declaration.name + "' value '"
                        + DOMUtils.domToString(lvalue) + "'");
            commitChanges(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        }
    }

    if (ocopy.debugInfo != null)
        se.setLineNo(ocopy.debugInfo.startLine);
    sendEvent(se);
}

From source file:org.apache.ode.bpel.runtime.AssignHelper.java

/**
 * Initializes single variable by using it's 'from-spec'
 * @param var/*ww  w. j a va2  s . c  om*/
 * @author madars.vitolins _at gmail.com, 2009.04.17
 */
public void initVar(Variable var) throws FaultException, ExternalVariableModuleException {
    if (__log.isDebugEnabled())
        __log.debug("Initializing variable [" + var.name + "]");

    // Init variable from another variable
    if (var.type instanceof OMessageVarType && var.from instanceof OAssign.VariableRef
            && ((OAssign.VariableRef) var.from).isMessageRef()) {
        final VariableInstance lval = _scopeFrame.resolve(var);
        final VariableInstance rval = _scopeFrame.resolve(((OAssign.VariableRef) var.from).getVariable());
        Element lvalue = (Element) fetchVariableData(rval, false);
        initializeVariable(lval, lvalue);
    } else {
        Node rvalue = evalRValue(var.from);
        Node lvalue = evalLValue(var);
        // Dump r-value
        if (__log.isDebugEnabled()) {
            __log.debug("rvalue after eval " + rvalue);
            if (rvalue != null)
                __log.debug("content " + DOMUtils.domToString(rvalue));
        }
        // Dump l-value
        if (__log.isDebugEnabled()) {
            __log.debug("lvalue after eval " + rvalue);
            if (lvalue != null)
                __log.debug("content " + DOMUtils.domToString(lvalue));
        }

        Node lvaluePtr = lvalue;
        // Sneakily converting the EPR if it's not the format expected by
        // the lvalue
        if (var.from instanceof OAssign.PartnerLinkRef) {
            rvalue = getBpelRuntimeContext().convertEndpointReference((Element) rvalue, lvaluePtr);
            if (rvalue.getNodeType() == Node.DOCUMENT_NODE)
                rvalue = ((Document) rvalue).getDocumentElement();
        }

        if (rvalue.getNodeType() == Node.ELEMENT_NODE && lvaluePtr.getNodeType() == Node.ELEMENT_NODE) {
            lvalue = replaceElement((Element) lvalue, (Element) lvaluePtr, (Element) rvalue, true);
        } else {
            lvalue = replaceContent(lvalue, lvaluePtr, rvalue.getTextContent());
        }
        final VariableInstance lval = _scopeFrame.resolve(var);
        if (__log.isDebugEnabled())
            __log.debug("SCOPE initialized variable '" + lval.declaration.name + "' value '"
                    + DOMUtils.domToString(lvalue) + "'");

        // Commit changes!
        commitChanges(lval, lvalue);
    }
}

From source file:org.apache.ode.bpel.runtime.AssignHelper.java

protected void copy(OAssign.Copy ocopy) throws FaultException, ExternalVariableModuleException {

    if (__log.isDebugEnabled())
        __log.debug("Assign.copy(" + ocopy + ")");

    ScopeEvent se;//from   w ww. j a  v a  2  s .  com

    // Check for message to message - copy, we can do this efficiently in
    // the database.
    if ((ocopy.to instanceof VariableRef && ((VariableRef) ocopy.to).isMessageRef())
            || (ocopy.from instanceof VariableRef && ((VariableRef) ocopy.from).isMessageRef())) {

        if ((ocopy.to instanceof VariableRef && ((VariableRef) ocopy.to).isMessageRef())
                && ocopy.from instanceof VariableRef && ((VariableRef) ocopy.from).isMessageRef()) {

            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            final VariableInstance rval = _scopeFrame.resolve(((VariableRef) ocopy.from).getVariable());
            Element lvalue = (Element) fetchVariableData(rval, false);
            initializeVariable(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        } else {
            // This really should have been caught by the compiler.
            __log.fatal("Message/Non-Message Assignment, should be caught by compiler:" + ocopy);
            throw new FaultException(ocopy.getOwner().constants.qnSelectionFailure,
                    "Message/Non-Message Assignment:  " + ocopy);
        }
    } else {
        // Conventional Assignment logic.
        Node rvalue = evalRValue(ocopy.from);
        Node lvalue = evalLValue(ocopy.to);
        if (__log.isDebugEnabled()) {
            __log.debug("lvalue after eval " + lvalue);
            if (lvalue != null)
                __log.debug("content " + DOMUtils.domToString(lvalue));
        }

        // Get a pointer within the lvalue.
        Node lvaluePtr = lvalue;
        boolean headerAssign = false;
        if (ocopy.to instanceof OAssign.DirectRef) {
            DirectRef dref = ((DirectRef) ocopy.to);
            Element el = DOMUtils.findChildByName((Element) lvalue, dref.elName);
            if (el == null) {
                el = (Element) ((Element) lvalue).appendChild(lvalue.getOwnerDocument()
                        .createElementNS(dref.elName.getNamespaceURI(), dref.elName.getLocalPart()));
            }
            lvaluePtr = el;
        } else if (ocopy.to instanceof OAssign.VariableRef) {
            VariableRef varRef = ((VariableRef) ocopy.to);
            if (varRef.headerPart != null)
                headerAssign = true;
            lvaluePtr = evalQuery(lvalue, varRef.part != null ? varRef.part : varRef.headerPart,
                    varRef.location, new EvaluationContextProxy(varRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.PropertyRef) {
            PropertyRef propRef = ((PropertyRef) ocopy.to);
            lvaluePtr = evalQuery(lvalue, propRef.propertyAlias.part, propRef.propertyAlias.location,
                    new EvaluationContextProxy(propRef.getVariable(), lvalue));
        } else if (ocopy.to instanceof OAssign.LValueExpression) {
            LValueExpression lexpr = (LValueExpression) ocopy.to;
            lexpr.setInsertMissingToData(ocopy.insertMissingToData);
            lvaluePtr = evalQuery(lvalue, null, lexpr.expression,
                    new EvaluationContextProxy(lexpr.getVariable(), lvalue));
            if (__log.isDebugEnabled())
                __log.debug("lvaluePtr expr res " + lvaluePtr);
        }

        // For partner link assignmenent, the whole content is assigned.
        if (ocopy.to instanceof OAssign.PartnerLinkRef) {
            OAssign.PartnerLinkRef pLinkRef = ((OAssign.PartnerLinkRef) ocopy.to);
            PartnerLinkInstance plval = _scopeFrame.resolve(pLinkRef.partnerLink);
            replaceEndpointRefence(plval, rvalue);
            se = new PartnerLinkModificationEvent(((OAssign.PartnerLinkRef) ocopy.to).partnerLink.getName());
        } else {
            // Sneakily converting the EPR if it's not the format expected by the lvalue
            if (ocopy.from instanceof OAssign.PartnerLinkRef) {
                rvalue = getBpelRuntimeContext().convertEndpointReference((Element) rvalue, lvaluePtr);
                if (rvalue.getNodeType() == Node.DOCUMENT_NODE)
                    rvalue = ((Document) rvalue).getDocumentElement();
            }

            Node parentNode = lvaluePtr.getParentNode();
            if (headerAssign && parentNode != null && "message".equals(parentNode.getNodeName())
                    && rvalue.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = copyInto((Element) lvalue, (Element) lvaluePtr, (Element) rvalue);
            } else if (rvalue.getNodeType() == Node.ELEMENT_NODE
                    && lvaluePtr.getNodeType() == Node.ELEMENT_NODE) {
                lvalue = replaceElement((Element) lvalue, (Element) lvaluePtr, (Element) rvalue,
                        ocopy.keepSrcElementName);
            } else {
                lvalue = replaceContent(lvalue, lvaluePtr, rvalue.getTextContent());
            }
            final VariableInstance lval = _scopeFrame.resolve(ocopy.to.getVariable());
            if (__log.isDebugEnabled())
                __log.debug("ASSIGN Writing variable '" + lval.declaration.name + "' value '"
                        + DOMUtils.domToString(lvalue) + "'");
            commitChanges(lval, lvalue);
            se = new VariableModificationEvent(lval.declaration.name);
            ((VariableModificationEvent) se).setNewValue(lvalue);
        }
    }

    if (ocopy.debugInfo != null)
        se.setLineNo(ocopy.debugInfo.startLine);
    sendEvent(se);
}

From source file:org.apache.ode.utils.DOMUtils.java

/**
 * This method traverses the DOM and grabs namespace declarations
 * on parent elements with the intent of preserving them for children.  <em>Note
 * that the DOM level 3 document method {@link Element#getAttribute(java.lang.String)}
 * is not desirable in this case, as it does not respect namespace prefix
 * bindings that may affect attribute values.  (Namespaces in DOM are
 * uncategorically a mess, especially in the context of XML Schema.)</em>
 * @param el the starting element/*  w ww  .jav  a2 s .c o  m*/
 * @return a {@link Map} containing prefix bindings.
 */
public static Map<String, String> getParentNamespaces(Element el) {
    HashMap<String, String> pref = new HashMap<String, String>();
    Map<String, String> mine = getMyNamespaces(el);
    Node n = el.getParentNode();
    while (n != null && n.getNodeType() != Node.DOCUMENT_NODE) {
        if (n instanceof Element) {
            Element l = (Element) n;
            NamedNodeMap nnm = l.getAttributes();
            int len = nnm.getLength();
            for (int i = 0; i < len; ++i) {
                Attr a = (Attr) nnm.item(i);
                if (isNSAttribute(a)) {
                    String key = getNSPrefixFromNSAttr(a);
                    String uri = a.getValue();
                    // prefer prefix bindings that are lower down in the tree.
                    if (pref.containsKey(key) || mine.containsKey(key))
                        continue;
                    pref.put(key, uri);
                }
            }
        }
        n = n.getParentNode();
    }
    return pref;
}

From source file:org.apache.ode.utils.DOMUtils.java

/**
 * Convert a DOM node to a stringified XML representation.
 *///from w ww .j  ava  2s . c om
static public String domToString(Node node) {
    if (node == null) {
        throw new IllegalArgumentException("Cannot stringify null Node!");
    }

    String value = null;
    short nodeType = node.getNodeType();
    if (nodeType == Node.ELEMENT_NODE || nodeType == Node.DOCUMENT_NODE
            || nodeType == Node.DOCUMENT_FRAGMENT_NODE) {
        // serializer doesn't handle Node type well, only Element
        DOMSerializerImpl ser = new DOMSerializerImpl();
        ser.setParameter(Constants.DOM_NAMESPACES, Boolean.TRUE);
        ser.setParameter(Constants.DOM_WELLFORMED, Boolean.FALSE);
        ser.setParameter(Constants.DOM_VALIDATE, Boolean.FALSE);

        // create a proper XML encoding header based on the input document;
        // default to UTF-8 if the parent document's encoding is not accessible
        String usedEncoding = "UTF-8";
        Document parent = node.getOwnerDocument();
        if (parent != null) {
            String parentEncoding = parent.getXmlEncoding();
            if (parentEncoding != null) {
                usedEncoding = parentEncoding;
            }
        }

        // the receiver of the DOM
        DOMOutputImpl out = new DOMOutputImpl();
        out.setEncoding(usedEncoding);

        // we write into a String
        StringWriter writer = new StringWriter(4096);
        out.setCharacterStream(writer);

        // out, ye characters!
        ser.write(node, out);
        writer.flush();

        // finally get the String
        value = writer.toString();
    } else {
        value = node.getNodeValue();
    }
    return value;
}

Example usage for org.w3c.dom Node DOCUMENT_NODE

Introduction

Prototype

Document

Usage