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The Adobe Experience Manager SDK
/*
* ADOBE CONFIDENTIAL
*
* Copyright 2005 Adobe Systems Incorporated All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains the property of
* Adobe Systems Incorporated and its suppliers, if any. The intellectual and
* technical concepts contained herein are proprietary to Adobe Systems
* Incorporated and its suppliers and may be covered by U.S. and Foreign
* Patents, patents in process, and are protected by trade secret or copyright
* law. Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained from
* Adobe Systems Incorporated.
*/
package com.adobe.xfa;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import com.adobe.xfa.Element.ReplaceContent;
import com.adobe.xfa.content.ExDataValue;
import com.adobe.xfa.template.containers.Variables;
import com.adobe.xfa.ut.ExFull;
import com.adobe.xfa.ut.FindBugsSuppress;
import com.adobe.xfa.ut.MsgFormat;
import com.adobe.xfa.ut.MsgFormatPos;
import com.adobe.xfa.ut.ResId;
import com.adobe.xfa.ut.StringUtils;
/**
* This class contains all the script functionality associated with the
* Element class. Broken out into a separate class for easier maintainability.
*
* @exclude from published api.
*/
public class ElementScript extends NodeScript {
protected static final ScriptTable moScriptTable = new ScriptTable(
NodeScript.moScriptTable,
"element",
new ScriptPropObj[] {
new ScriptPropObj(ElementScript.class, "isNull", "getIsNull", null, Arg.BOOL, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_ISNULL_DESC, XFA_IS_ISNULL_RET*/, 0),
new ScriptPropObj(ElementScript.class, "oneOfChild", "getOneOfChild", "setOneOfChild", Arg.OBJECT, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_ONEOFCHILD, 0*/, 0),
new ScriptPropObj(ElementScript.class, "id", "getId", "setId", Arg.STRING, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_ID, 0*/, 0),
new ScriptPropObj(ElementScript.class, "ns", "getNs", null, Arg.STRING, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_GETNS, 0*/, 0)
},
new ScriptFuncObj[] {
new ScriptFuncObj(ElementScript.class, "clone", "clone", Arg.OBJECT,
new int[] { Arg.BOOL/*, XFA_IS_CLONE_PARAM */ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_CLONE_DESC, XFA_IS_CLONE_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "isPropertySpecified", "isPropertySpecified", Arg.BOOL,
new int[] { Arg.STRING, Arg.BOOL, Arg.INTEGER/*, XFA_IS_ISPROPERTYSPECIFIED_PARAM1, XFA_IS_ISPROPERTYSPECIFIED_PARAM2, XFA_IS_ISPROPERTYSPECIFIED_PARAM3*/ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_ISPROPERTYSPECIFIED_DESC, XFA_IS_ISPROPERTYSPECIFIED_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "getElement", "getElement", Arg.OBJECT,
new int[] { Arg.STRING, Arg.INTEGER/*, XFA_IS_GETELEMENT_PARAM1, XFA_IS_GETELEMENT_PARAM2 */}, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_GETELEMENT_DESC, XFA_IS_GETELEMENT_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "setElement", "setElement", Arg.EMPTY,
new int[] { Arg.OBJECT, Arg.STRING/*, XFA_IS_SETELEMENT_PARAM1, XFA_IS_SETELEMENT_PARAM2 */}, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_SETELEMENT_DESC, 0*/, "setElementPermsCheck", 0),
new ScriptFuncObj(ElementScript.class, "getAttribute", "getAttribute", Arg.STRING,
new int[] { Arg.STRING /*, XFA_IS_GETATTRIBUTE_PARAM1 */}, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_GETATTRIBUTE_DESC, XFA_IS_GETATTRIBUTE_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "setAttribute", "setAttribute", Arg.EMPTY,
new int[] { Arg.STRING, Arg.STRING/*, XFA_IS_SETATTRIBUTE_PARAM1, XFA_IS_SETATTRIBUTE_PARAM2 */}, 2, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_SETATTRIBUTE_DESC, 0*/, "setAttributePermsCheck", 0),
new ScriptFuncObj(ElementScript.class, "loadXML", "loadXML", Arg.EMPTY,
new int[] { Arg.STRING, Arg.BOOL, Arg.BOOL /*, XFA_IS_LOADXML_PARAM1, XFA_IS_LOADXML_PARAM2, XFA_IS_LOADXML_PARAM3*/ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_LOADXML_DESC, 0*/, "loadXMLPermsCheck", 0),
new ScriptFuncObj(ElementScript.class, "saveXML", "saveXML", Arg.STRING,
new int[] { Arg.STRING /*, XFA_IS_SAVEXML_PARAM1*/ }, 0, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_SAVEXML_DESC, XFA_IS_SAVEXML_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "saveFilteredXML", "saveFilteredXML", Arg.STRING,
new int[] { Arg.OBJECT, Arg.STRING /*, XFA_IS_SAVEFILTEREDXML_PARAM1, XFA_IS_SAVEFILTEREDXML_PARAM2*/ }, 1, Schema.XFAVERSION_24, Schema.XFAAVAILABILITY_CORE|Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_SAVEFILTEREDXML_DESC, XFA_IS_SAVEFILTEREDXML_RET, null*/, 0),
new ScriptFuncObj(ElementScript.class, "applyXSL", "applyXSL", Arg.STRING,
new int[] { Arg.STRING /*, XFA_IS_APPLYXSL_PARAM*/ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_APPLYXSL_DESC, XFA_IS_APPLYXSL_RET*/, 0),
new ScriptFuncObj(ElementScript.class, "assignNode", "assignNode", Arg.OBJECT,
new int[] { Arg.STRING, Arg.STRING, Arg.INTEGER /*, XFA_IS_ASSIGNNODE_PARAM1, XFA_IS_ASSIGNNODE_PARAM2, XFA_IS_ASSIGNNODE_PARAM3*/ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_CORE | Schema.XFAAVAILABILITY_PLUGIN/*, XFA_IS_ASSIGNNODE_DESC, XFA_IS_ASSIGNNODE_RET*/, "assignNodePermsCheck", 0),
new ScriptFuncObj(ElementScript.class, "resolveNode", "resolveNode", Arg.OBJECT,
new int[] { Arg.STRING /*, XFA_IS_RESOLVENODE_PARAM */ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_ALL/*, XFA_IS_RESOLVENODE_DESC, XFA_IS_RESOLVENODE_RET, null*/, 0),
new ScriptFuncObj(ElementScript.class, "resolveNodes", "resolveNodes", Arg.OBJECT,
new int[] { Arg.STRING /*, XFA_IS_RESOLVENODES_PARAM */ }, 1, Schema.XFAVERSION_10, Schema.XFAAVAILABILITY_ALL/*, XFA_IS_RESOLVENODE_DESC, XFA_IS_RESOLVENODES_RET, null*/, 0)
}
);
public static ScriptTable getScriptTable() {
return moScriptTable;
}
// ------------------------------------------------------------------------
// Script Properties
public static void getIsNull(Obj obj, Arg retVal) {
if (obj instanceof Element)
retVal.setBool(Boolean.valueOf(((Element) obj).getIsNull()));
else if (obj instanceof TextNode)
retVal.setBool(Boolean.FALSE);
}
public static void getOneOfChild(Obj obj, Arg retVal) {
if (obj instanceof Element)
retVal.setObject(((Element) obj).getOneOfChild());
else
retVal.setObject(null);
}
public static void setOneOfChild(Obj obj, Arg oArg) {
// check object type
Obj child = oArg.getObject();
if (!(child instanceof Node))
throw new ExFull(ResId.ArgumentMismatchException);
if (obj instanceof Element)
((Element) obj).setOneOfChild((Node) child);
else {
MsgFormatPos message = new MsgFormatPos(ResId.InvalidSetOneOfException);
message.format(child.getClassAtom());
throw new ExFull(message);
}
}
public static void getId(Obj obj, Arg retVal) {
if (obj instanceof Element)
retVal.setString(((Element) obj).getID());
else
retVal.setString("");
}
public static void setId(Obj obj, Arg oArg) {
if (obj instanceof Element)
((Element) obj).setID(oArg.getString());
else {
MsgFormatPos message = new MsgFormatPos(ResId.InvalidSetPropertyException);
message.format(obj.getClassAtom());
message.format(XFA.ID);
throw new ExFull(message);
}
}
public static void getNs(Obj obj, Arg retVal) {
if (obj instanceof Element)
retVal.setString(((Element) obj).getNSInternal());
else if (obj instanceof TextNode)
retVal.setString("");
}
// ------------------------------------------------------------------------
// Script Functions
public static void clone(Obj obj, Arg retVal, Arg[] args) {
boolean bRecursive = args[0].getBool().booleanValue();
if (obj instanceof Element)
retVal.setObject(((Element) obj).clone(null, bRecursive));
else
retVal.setObject(((Node)obj).clone(null));
}
public static void isPropertySpecified(Obj obj, Arg retVal, Arg[] args) {
if (obj instanceof Element) {
Element e = (Element) obj;
String propertyName = args[0].getString();
boolean bCheckProtos = args.length < 2 ? true : args[1].getBool().booleanValue();
int occurrence = args.length < 3 ? 0 : args[2].getInteger().intValue();
retVal.setBool(Boolean.valueOf(e.isPropertySpecified(propertyName, bCheckProtos, occurrence)));
}
else {
retVal.setBool(Boolean.FALSE);
}
}
public static void getElement(Obj obj, Arg retVal, Arg[] args) {
if (!(obj instanceof Element)) // TextNode?
return;
Element e = (Element) obj;
String propName = args[0].getString().intern();
int occurrence = args.length == 1 ? 0 : args[1].getInteger().intValue();
Object property = e.getProperty(propName, occurrence);
if (property == null)
return;
else if (!(property instanceof Element))
throw new ExFull(new MsgFormat(ResId.InvalidAttributeException, " element[" + propName + STRS.RIGHTBRACE));
else
retVal.setObject((Element)property);
}
public static void setElement(Obj obj, Arg retVal, Arg[] args) {
Obj property = args[0].getObject();
if (!(property instanceof Element))
throw new ExFull(ResId.ArgumentMismatchException);
String propertyName = args.length < 2 ? "" : args[1].getString();
if (obj instanceof Element)
((Element)obj).setProperty(property, propertyName);
else {
MsgFormatPos message = new MsgFormatPos(ResId.InvalidSetPropertyException);
message.format(obj.getClassAtom());
message.format(propertyName);
throw new ExFull(message);
}
}
public static void getAttribute(Obj obj, Arg retVal, Arg[] args) {
if (!(obj instanceof Element)) // TextNode?
return;
String propName = args[0].getString();
Object property = ((Element)obj).getProperty(propName, 0);
if (property == null)
return;
else if (!(property instanceof Attribute))
throw new ExFull(ResId.InvalidAttributeException, " attribute[" + propName + STRS.RIGHTBRACE);
else
retVal.setString(property.toString());
}
public static void setAttribute(Obj obj, Arg retVal, Arg[] args) {
String aAttrName = args[1].getString(); // may be null
if (aAttrName != null)
aAttrName = aAttrName.intern();
int eTag = -1;
if (aAttrName != null)
eTag = XFA.getTag(aAttrName);
if (obj instanceof Element && eTag != -1) {
((Element) obj).setAttribute(((Element) obj).newAttribute(eTag, args[0].getString()), eTag);
} else {
MsgFormatPos oMessage = new MsgFormatPos(ResId.InvalidSetPropertyException);
oMessage.format(((Node) obj).getClassAtom());
oMessage.format(aAttrName);
throw new ExFull(oMessage);
}
}
public static void loadXML(Obj obj, Arg retVal, Arg[] args) {
if (!(obj instanceof Element)) {
// Anything other than an element (i.e., TextNode) is not a valid parent
MsgFormatPos message = new MsgFormatPos(ResId.ParentChildViolationException);
throw new ExFull(message);
}
try {
ByteArrayInputStream streamFile;
streamFile = new ByteArrayInputStream(args[0].getString().getBytes(Document.Encoding));
boolean bIgnoreAggregatingTag = true;
boolean bReplaceContent = false;
if (args.length == 1) {
// watson bug 1328860
// Ugly but we need to respect the default value for bIgnoreAggregatingTag on exData nodes.
if (obj instanceof ExDataValue) {
bIgnoreAggregatingTag = false;
}
}
if (args.length >= 2)
bIgnoreAggregatingTag = args[1].getBool().booleanValue();
if (args.length == 3)
bReplaceContent = args[2].getBool().booleanValue();
// loadXML takes a three way enum to control replacing nothing, XFA content only or XFA and DOM content.
// Need to map existing script interface (bool bReplaceContent) to this enum. Legacy behavior replaces
// XFA content only and leaves additional DOM content untouched.
// (Ref Watson 1931282 which require full replace for XFA and DOM content during undo)
ReplaceContent eReplace = ReplaceContent.None;
if (bReplaceContent){
// Watson 2378040: loadXML() need to replace DOM content as well if this is an XFAPacket (but only if v3.3 or higher)
if ( obj instanceof Packet && ((Packet)obj).getAppModel().getLegacySetting(AppModel.XFA_LEGACY_V32_SCRIPTING))
eReplace = ReplaceContent.AllContent;
else
eReplace = ReplaceContent.XFAContent;
}
((Element)obj).loadXML(streamFile, bIgnoreAggregatingTag, eReplace);
} catch (UnsupportedEncodingException e) {
}
}
public static void saveXML(Obj obj, Arg retVal, Arg[] args, DependencyTracker dependencyTracker) {
// Form dependency with child nodes
addDependency((Element)obj, dependencyTracker);
//Bug fix for watson bug 1684847.
// saveXML shouldn't save out transient nodes by default
DOMSaveOptions options = new DOMSaveOptions();
options.setSaveTransient(((Element)obj).getSaveXMLSaveTransient()); // Watson 1778700: Content-derived classes should save transient nodes in saveXML.
ByteArrayOutputStream memStream = new ByteArrayOutputStream();
if (args.length == 1) {
if (args[0].getString().equals("pretty")) {
options.setDisplayFormat(DOMSaveOptions.PRETTY_OUTPUT);
}
else {
MsgFormatPos message = new MsgFormatPos(ResId.ArgumentMismatchException);
throw new ExFull(message);
}
}
if (obj instanceof Element)
((Element) obj).saveXML(memStream, options, true);
else if (obj instanceof Node) {
Node node = (Node)obj;
// JavaPort: It is unlikely that we would save a TextNode, but
// do it for consistency with C++.
node.getOwnerDocument().saveAs(memStream, node, options);
}
String result = "";
try {
result = memStream.toString("UTF-8");
}
catch (UnsupportedEncodingException ex) {
// Not possible - UTF-8 is always supported
}
// JavaPort: The C++ implementation of jfMemoryStreamFile::toString() will truncate any trailing newline
if (result.endsWith("\n"))
result = result.substring(0, result.length() - 1);
retVal.setString(result);
}
public static void saveFilteredXML(Obj obj, Arg retVal, Arg[] args, DependencyTracker dependencyTracker) {
// First check that the first argument is indeed a NodeList.
Obj object = args[0].getObject();
if (! (object instanceof NodeList))
throw new ExFull(ResId.ArgumentMismatchException);
ByteArrayOutputStream memStreamFile = new ByteArrayOutputStream();
addDependency(((Element) obj), dependencyTracker);
//
// Bug fix for watson bug 1684847.
// saveXML shouldn't save out transient nodes by default
//
DOMSaveOptions options = new DOMSaveOptions();
options.setSaveTransient(false);
if (args.length == 2) {
if (args[1].getString().equals("pretty")) {
options.setSaveTransient(true);
options.setDisplayFormat(DOMSaveOptions.PRETTY_OUTPUT);
}
else {
MsgFormatPos oMessage = new MsgFormatPos(ResId.ArgumentMismatchException);
throw new ExFull(oMessage);
}
}
if (obj instanceof Element)
((Element) obj).saveFilteredXML((NodeList) object, memStreamFile, options);
else if (obj instanceof Node){
Node node = (Node)obj;
// JavaPort: It is unlikely that we would save a TextNode, but
// do it for consistency with C++.
node.getOwnerDocument().saveAs(memStreamFile, node, options);
}
try {
retVal.setString(memStreamFile.toString("UTF-8"));
}
catch (UnsupportedEncodingException ex) {
// Not possible - UTF-8 is always supported
}
}
public static void applyXSL(Obj obj, Arg retVal, Arg[] args) {
// Since this method is equivalent to serializing as XML and then
// applying a transformation to the stream, it is not valid if applied
// to anything other than an Element since the XML infoset would not
// be valid.
if (!(obj instanceof Element)) {
MsgFormatPos message = new MsgFormatPos(ResId.InvalidMethodException);
message.format(obj.getClassAtom());
message.format("applyXSL");
throw new ExFull(message);
}
ByteArrayInputStream xslTransformStream;
try {
xslTransformStream = new ByteArrayInputStream(args[0].getString().getBytes(Document.Encoding));
ByteArrayOutputStream resultStream = new ByteArrayOutputStream();
((Element) obj).applyXSL(xslTransformStream, resultStream);
retVal.setString(resultStream.toString("UTF-8"));
}
catch (UnsupportedEncodingException ex) {
// Not possible - UTF-8 is always supported
}
}
/**
* Static method for invoking functions in the script interface
*/
public static void assignNode(Obj obj, Arg retVal, Arg[] args) {
// JavaPort: It is conceivable that this could have been called on a text node
// in the C++ implementation, but it doesn't seem likely.
if (!(obj instanceof Element)) {
MsgFormatPos message = new MsgFormatPos(ResId.InvalidMethodException);
message.format(obj.getClassAtom());
message.format("assignNode");
throw new ExFull(message);
}
retVal.setObject(((Element) obj).assignNode(args[0].getString(), args[1].getString(), args[2].getInteger().intValue()));
}
public static void resolveNode(Obj obj, Arg retVal, Arg[] args, DependencyTracker dependencyTracker) {
// only new docs should use the dependency tracker
AppModel oAppModel = ((Element) obj).getAppModel();
DependencyTracker oDependencyTracker = null;
// watson bug 1917077 for new documents ensure we track dependancies on naked field references.
if (oAppModel != null && ! oAppModel.getLegacySetting(AppModel.XFA_LEGACY_V29_SCRIPTING))
oDependencyTracker = dependencyTracker;
retVal.setObject(((Element) obj).resolveNode(args[0].getString(), false, false, false, oDependencyTracker, null));
}
public static void resolveNodes(Obj obj, Arg retVal, Arg[] args, int nParamCount, DependencyTracker dependencyTracker) {
// only new docs should use the dependency tracker
AppModel oAppModel = ((Element) obj).getAppModel();
DependencyTracker oDependencyTracker = null;
// watson bug 1917077 for new documents ensure we track dependancies on naked field references.
if (oAppModel != null && ! oAppModel.getLegacySetting(AppModel.XFA_LEGACY_V29_SCRIPTING))
oDependencyTracker = dependencyTracker;
retVal.setObject(((Element) obj).resolveNodes(args[0].getString(), false, false, false, oDependencyTracker, null));
}
// ------------------------------------------------------------------------
// Methods invoked through reflection to support getDynamicScriptProp
// func to get a oneOfChild. used by Element.getDynamicScriptProp
public static boolean locateOneOf(Obj obj, Arg retVal, String sProp) {
if (StringUtils.isEmpty(sProp))
return false;
int nTag = XFA.getTag(sProp);
if (nTag == -1)
return false;
int eTag = nTag;
int eType = ((Element) obj).getSchemaType(eTag);
if (eType == Element.ONEOF) {
Node pOneOf = ((Element) obj).getOneOfChild(true, false);
if (pOneOf != null && pOneOf.getClassTag() == eTag) {
pOneOf = ((Element) obj).getOneOfChild(false, false);
retVal.setObject(pOneOf);
return true;
}
}
return false;
}
// func to get a property. used by Element.getDynamicScriptProp
public static boolean locateProp(Obj obj, Arg retVal, String sProp) {
if (StringUtils.isEmpty(sProp))
return false;
int nTag = XFA.getTag(sProp);
if (nTag == -1)
return false;
int eTag = nTag;
int eType = ((Element) obj).getSchemaType(eTag);
if (eType != Element.ATTRIBUTE /* && eType != Element.TEXT */ && eType != Element.ELEMENT)
return false;
Element oNode = (Element) obj;
if (eType == Element.ATTRIBUTE) {
Attribute oProp = oNode.getAttribute(eTag, false, false);
if (oProp != null) {
retVal.setString(oProp.toString());
return true;
}
} else {
Element oProp = oNode.getElement(eTag, 0);
if (oProp != null) {
retVal.setObject(oProp);
return true;
}
}
return false;
}
// func to get a property. used by Element.getDynamicScriptProp
public static boolean locatePropPeek(Obj obj, Arg retVal, String sProp) {
if (StringUtils.isEmpty(sProp))
return false;
int nTag = XFA.getTag(sProp);
if (nTag == -1)
return false;
int eTag = nTag;
int eType = ((Element) obj).getSchemaType(eTag);
if (eType != Element.ATTRIBUTE /* && eType != Element.TEXT */ && eType != Element.ELEMENT)
return false;
if (eType == Element.ATTRIBUTE) {
Attribute prop = ((Element) obj).getAttribute(eTag, true, false);
if (prop != null) {
retVal.setString(prop.toString());
return true;
}
} else {
Element prop = ((Element) obj).getElement(eTag, true, 0, false,
false);
if (prop != null) {
retVal.setObject(prop);
return true;
}
}
return false;
}
// See Element.getDynamicScriptProp
@FindBugsSuppress(code="ES")
public static boolean setProp(Obj obj, Arg arg, String sProp) {
if (StringUtils.isEmpty(sProp))
return false;
int eTag = XFA.getTag(sProp);
if (eTag == -1)
return false;
if (!(obj instanceof Element))
return false;
Element elementThis = (Element)obj;
int eType = elementThis.getSchemaType(eTag);
if (eType != Element.ATTRIBUTE)
return false;
StringAttr prop = new StringAttr(sProp, arg.getString());
elementThis.setAttribute(prop, eTag);
return true;
}
// ------------------------------------------------------------------------
// Utilities used elsewhere within this package
// JavaPort: This is incompletely implemented in XFA4J, and is only used by Designer.
// // Search for a named child, handling transparent nodes.
// // helper function
// // Used by Element.getDynamicScriptProps
// static void getScriptChildList(Element e, List oChildList) {
//
// Node child = e.getFirstXFAChild();
// while (child != null) {
// int eType = e.getSchemaType(child.getClassTag());
//
// if (eType == Element.CHILD || eType == Element.ONEOF) {
// String sName = child.getSomName();
//
// if (sName.length() > 0)
// oChildList.add(sName);
//
// // if the child is transparent, treat its children as if they
// // were at the same level as the child.
// if (child instanceof Element && child.isTransparent())
// getScriptChildList((Element)child, oChildList);
// }
// child = child.getNextXFASibling();
// }
// }
// ------------------------------------------------------------------------
// Utilities used by other script functions
private static void addDependency(Node node, DependencyTracker dependencyTracker) {
if (dependencyTracker != null && node != null && !(node instanceof Variables)) {
dependencyTracker.addDependency(node);
for (Node child = node.getFirstXFAChild(); child != null; child = child.getNextXFASibling())
addDependency(child, dependencyTracker);
}
}
// ------------------------------------------------------------------------
// Script Permission Check Functions
public static boolean setElementPermsCheck(Obj obj, Arg[] args) {
// Check permissions on the parent node and all its ancestors.
// Check permissions on the node to replace and all its decendents.
if (obj instanceof Element) {
Element element = (Element)obj;
// check perms on the parent
if (!element.checkAncestorPerms())
return false;
// extract the new child
Obj object = args[0].getObject();
if (!(object instanceof Node))
throw new ExFull(ResId.ArgumentMismatchException);
Node node = (Node)object;
// check if the new element already exists
Element oldChild = element.getElement(node.getClassTag(), 0);
if (oldChild != null) {
// check perms on the old child
if (!oldChild.checkDescendentPerms())
return false;
}
}
return true;
}
public static boolean setAttributePermsCheck(Obj obj, Arg[] args) {
// Check permissions on the parent node and all its ancestors.
// Check permissions on the attribute to replace.
if (obj instanceof Element) {
Element element = (Element)obj;
// check perms on the parent
if (! element.checkAncestorPerms())
return false;
// Javaport: The following section doesn't make sense in XFA4J
// since the the XFA DOM object that represents the attribute
// will never be derived from XFATreeImpl, and therefore cannot
// be locked. However, MDP/MDP+ never applies a permissions lock
// at the attribute level, so this is not an issue.
// // extract the new attribute
// String aAttrName = args[1].getString();
//
// // check if the new element already exists
// jfDomNode oAttr = self(obj)->getAttributeNode(aAttrName);
// if (! oAttr.isNull())
// {
// jfObjImpl* poUserObject = oAttr.getImpl().getUserObject();
// if (poUserObject && poUserObject->IsDerivedFrom(JF_CLS_XFATREE))
// {
// // check perms on the old attribute
// XFATreeImpl* poAttr = (XFATreeImpl*)poUserObject;
//
// if (! poAttr->checkPerms())
// return false;
// }
// }
}
return true;
}
public static boolean loadXMLPermsCheck(Obj obj, Arg[] args) {
// Check permissions on the parent node and all its ancestors.
// if replace operation is selected
// Check permissions on all the descendent nodes.
if (obj instanceof Element) {
Element element = (Element)obj;
// check perms on the parent
if (! element.checkAncestorPerms())
return false;
if (args.length == 3) {
// if we are doing a replace, we must check perms on all children too
boolean bReplace = args[2].getBool().booleanValue();
if (bReplace) {
if (!element.checkDescendentPerms())
return false;
}
}
}
return true;
}
public static boolean assignNodePermsCheck(Obj obj, Arg[] args) {
// if replace is selected
// Check permissions on resolved node and all its ancestors.
// Check permissions on resolved node and all its descendents.
// otherwise
// Check permissions on new node's parent and all its ancestors.
if (obj instanceof Element && args.length >= 1) {
Element element = (Element)obj;
Node resolvedNode = element.resolveNode(args[0].getString(), true, false, false);
if (resolvedNode != null) {
// node already exists
if (args.length < 3 || args[2].getInteger().intValue() == 0) {
// check perms on the resolved node and all its ancestors
if (! resolvedNode.checkAncestorPerms())
return false;
// check perms on the resolved node and all its descendents
if (! resolvedNode.checkDescendentPerms())
return false;
}
}
else if (args[2].getInteger().intValue() != 0) {
// find the parent and check perms on it and all its ancestors
String sCopy = args[0].getString();
if (sCopy.length() != 0) {
Node parent = element.resolveNode(sCopy, true, false, false);
while (parent == null && sCopy.length() != 0) {
boolean bTrimmed = false;
int nFoundAt;
int nOffset = 0;
while ((nFoundAt = sCopy.indexOf('.', nOffset)) != -1) {
bTrimmed = true;
nOffset = nFoundAt + 1;
}
if (bTrimmed)
sCopy = sCopy.substring(0, nOffset - 1);
else
break;
parent = element.resolveNode(sCopy, true, false, false);
}
if (parent instanceof Node) {
Node parentNode = parent;
if (!parentNode.checkAncestorPerms())
return false;
}
}
}
}
return true;
}
}
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