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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH & Co. KG, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.xml;
import org.opencms.file.CmsFile;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.i18n.CmsLocaleManager;
import org.opencms.main.CmsIllegalArgumentException;
import org.opencms.main.CmsRuntimeException;
import org.opencms.main.OpenCms;
import org.opencms.xml.types.CmsXmlCategoryValue;
import org.opencms.xml.types.I_CmsXmlContentValue;
import org.opencms.xml.types.I_CmsXmlSchemaType;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.Element;
import org.xml.sax.EntityResolver;
/**
* Provides basic XML document handling functions useful when dealing
* with XML documents that are stored in the OpenCms VFS.
*
* @since 6.0.0
*/
public abstract class A_CmsXmlDocument implements I_CmsXmlDocument {
/** The content conversion to use for this XML document. */
protected String m_conversion;
/** The document object of the document. */
protected Document m_document;
/** Maps element names to available locales. */
protected Map> m_elementLocales;
/** Maps locales to available element names. */
protected Map> m_elementNames;
/** The encoding to use for this XML document. */
protected String m_encoding;
/** The file that contains the document data (note: is not set when creating an empty or document based document). */
protected CmsFile m_file;
/** Set of locales contained in this document. */
protected Set m_locales;
/** Reference for named elements in the document. */
private Map m_bookmarks;
/**
* Default constructor for a XML document
* that initializes some internal values.
*/
protected A_CmsXmlDocument() {
m_bookmarks = new HashMap();
m_locales = new HashSet();
}
/**
* Creates the bookmark name for a localized element to be used in the bookmark lookup table.
*
* @param name the element name
* @param locale the element locale
* @return the bookmark name for a localized element
*/
protected static final String getBookmarkName(String name, Locale locale) {
StringBuffer result = new StringBuffer(64);
result.append('/');
result.append(locale.toString());
result.append('/');
result.append(name);
return result.toString();
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#copyLocale(java.util.List, java.util.Locale)
*/
public void copyLocale(List possibleSources, Locale destination) throws CmsXmlException {
if (hasLocale(destination)) {
throw new CmsXmlException(Messages.get().container(Messages.ERR_LOCALE_ALREADY_EXISTS_1, destination));
}
Iterator i = possibleSources.iterator();
Locale source = null;
while (i.hasNext() && (source == null)) {
// check all locales and try to find the first match
Locale candidate = i.next();
if (hasLocale(candidate)) {
// locale has been found
source = candidate;
}
}
if (source != null) {
// found a locale, copy this to the destination
copyLocale(source, destination);
} else {
// no matching locale has been found
throw new CmsXmlException(Messages.get().container(
Messages.ERR_LOCALE_NOT_AVAILABLE_1,
CmsLocaleManager.getLocaleNames(possibleSources)));
}
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#copyLocale(java.util.Locale, java.util.Locale)
*/
public void copyLocale(Locale source, Locale destination) throws CmsXmlException {
if (!hasLocale(source)) {
throw new CmsXmlException(Messages.get().container(Messages.ERR_LOCALE_NOT_AVAILABLE_1, source));
}
if (hasLocale(destination)) {
throw new CmsXmlException(Messages.get().container(Messages.ERR_LOCALE_ALREADY_EXISTS_1, destination));
}
Element sourceElement = null;
Element rootNode = m_document.getRootElement();
Iterator i = CmsXmlGenericWrapper.elementIterator(rootNode);
String localeStr = source.toString();
while (i.hasNext()) {
Element element = i.next();
String language = element.attributeValue(CmsXmlContentDefinition.XSD_ATTRIBUTE_VALUE_LANGUAGE, null);
if ((language != null) && (localeStr.equals(language))) {
// detach node with the locale
sourceElement = element.createCopy();
// there can be only one node for the locale
break;
}
}
if (sourceElement == null) {
// should not happen since this was checked already, just to make sure...
throw new CmsXmlException(Messages.get().container(Messages.ERR_LOCALE_NOT_AVAILABLE_1, source));
}
// switch locale value in attribute of copied node
sourceElement.addAttribute(CmsXmlContentDefinition.XSD_ATTRIBUTE_VALUE_LANGUAGE, destination.toString());
// attach the copied node to the root node
rootNode.add(sourceElement);
// re-initialize the document bookmarks
initDocument(m_document, m_encoding, getContentDefinition());
}
/**
* Corrects the structure of this XML document.
*
* @param cms the current OpenCms user context
*
* @return the file that contains the corrected XML structure
*
* @throws CmsXmlException if something goes wrong
*/
public CmsFile correctXmlStructure(CmsObject cms) throws CmsXmlException {
// apply XSD schema translation
Attribute schema = m_document.getRootElement().attribute(
I_CmsXmlSchemaType.XSI_NAMESPACE_ATTRIBUTE_NO_SCHEMA_LOCATION);
if (schema != null) {
String schemaLocation = schema.getValue();
String translatedSchema = OpenCms.getResourceManager().getXsdTranslator().translateResource(schemaLocation);
if (!schemaLocation.equals(translatedSchema)) {
schema.setValue(translatedSchema);
}
}
// iterate over all locales
Iterator i = m_locales.iterator();
while (i.hasNext()) {
Locale locale = i.next();
List names = getNames(locale);
List validValues = new ArrayList();
// iterate over all nodes per language
Iterator j = names.iterator();
while (j.hasNext()) {
// this step is required for values that need a processing of their content
// an example for this is the HTML value that does link replacement
String name = j.next();
I_CmsXmlContentValue value = getValue(name, locale);
if (value.isSimpleType()) {
String content = value.getStringValue(cms);
value.setStringValue(cms, content);
}
// save valid elements for later check
validValues.add(value);
}
if (isAutoCorrectionEnabled()) {
// full correction of XML
if (validValues.size() < 1) {
// no valid element was in the content
if (hasLocale(locale)) {
// remove the old locale entirely, as there was no valid element
removeLocale(locale);
}
// add a new default locale, this will also generate the default XML as required
addLocale(cms, locale);
} else {
// there is at least one valid element in the content
List roots = new ArrayList();
List rootCds = new ArrayList();
List validElements = new ArrayList();
// gather all XML content definitions and their parent nodes
Iterator it = validValues.iterator();
while (it.hasNext()) {
// collect all root elements, also for the nested content definitions
I_CmsXmlContentValue value = it.next();
Element element = value.getElement();
validElements.add(element);
if (element.supportsParent()) {
// get the parent XML node
Element root = element.getParent();
if ((root != null) && !roots.contains(root)) {
// this is a parent node we do not have already in our storage
CmsXmlContentDefinition rcd = value.getContentDefinition();
if (rcd != null) {
// this value has a valid XML content definition
roots.add(root);
rootCds.add(rcd);
} else {
// no valid content definition for the XML value
throw new CmsXmlException(
Messages.get().container(
Messages.ERR_CORRECT_NO_CONTENT_DEF_3,
value.getName(),
value.getTypeName(),
value.getPath()));
}
}
}
}
for (int le = 0; le < roots.size(); le++) {
// iterate all XML content root nodes and correct each XML subtree
Element root = roots.get(le);
CmsXmlContentDefinition cd = rootCds.get(le);
// step 1: first sort the nodes according to the schema, this takes care of re-ordered elements
List> nodeLists = new ArrayList>();
boolean isMultipleChoice = cd.getSequenceType() == CmsXmlContentDefinition.SequenceType.MULTIPLE_CHOICE;
// if it's a multiple choice element, the child elements must not be sorted into their types,
// but must keep their original order
if (isMultipleChoice) {
List nodeList = new ArrayList();
List elements = CmsXmlGenericWrapper.elements(root);
Set typeNames = cd.getSchemaTypes();
for (Element element : elements) {
// check if the node type is still in the definition
if (typeNames.contains(element.getName())) {
nodeList.add(element);
}
}
checkMaxOccurs(nodeList, cd.getChoiceMaxOccurs(), cd.getTypeName());
nodeLists.add(nodeList);
}
// if it's a sequence, the children are sorted according to the sequence type definition
else {
for (I_CmsXmlSchemaType type : cd.getTypeSequence()) {
List elements = CmsXmlGenericWrapper.elements(root, type.getName());
checkMaxOccurs(elements, type.getMaxOccurs(), type.getTypeName());
nodeLists.add(elements);
}
}
// step 2: clear the list of nodes (this will remove all invalid nodes)
List nodeList = CmsXmlGenericWrapper.elements(root);
nodeList.clear();
Iterator> in = nodeLists.iterator();
while (in.hasNext()) {
// now add all valid nodes in the right order
List elements = in.next();
nodeList.addAll(elements);
}
// step 3: now append the missing elements according to the XML content definition
cd.addDefaultXml(cms, this, root, locale);
}
}
}
initDocument();
}
// write the modified XML back to the VFS file
if (m_file != null) {
// make sure the file object is available
m_file.setContents(marshal());
}
return m_file;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getBestMatchingLocale(java.util.Locale)
*/
public Locale getBestMatchingLocale(Locale locale) {
// the requested locale is the match we want to find most
if (hasLocale(locale)) {
// check if the requested locale is directly available
return locale;
}
if (locale.getVariant().length() > 0) {
// locale has a variant like "en_EN_whatever", try only with language and country
Locale check = new Locale(locale.getLanguage(), locale.getCountry(), "");
if (hasLocale(check)) {
return check;
}
}
if (locale.getCountry().length() > 0) {
// locale has a country like "en_EN", try only with language
Locale check = new Locale(locale.getLanguage(), "", "");
if (hasLocale(check)) {
return check;
}
}
return null;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getConversion()
*/
public String getConversion() {
return m_conversion;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getEncoding()
*/
public String getEncoding() {
return m_encoding;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getFile()
*/
public CmsFile getFile() {
return m_file;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getIndexCount(java.lang.String, java.util.Locale)
*/
public int getIndexCount(String path, Locale locale) {
List elements = getValues(path, locale);
if (elements == null) {
return 0;
} else {
return elements.size();
}
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getLocales()
*/
public List getLocales() {
return new ArrayList(m_locales);
}
/**
* Returns a List of all locales that have the named element set in this document.
*
* If no locale for the given element name is available, an empty list is returned.
*
* @param path the element to look up the locale List for
* @return a List of all Locales that have the named element set in this document
*/
public List getLocales(String path) {
Set locales = m_elementLocales.get(CmsXmlUtils.createXpath(path, 1));
if (locales != null) {
return new ArrayList(locales);
}
return Collections.emptyList();
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getNames(java.util.Locale)
*/
public List getNames(Locale locale) {
Set names = m_elementNames.get(locale);
if (names != null) {
return new ArrayList(names);
}
return Collections.emptyList();
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getStringValue(org.opencms.file.CmsObject, java.lang.String, java.util.Locale)
*/
public String getStringValue(CmsObject cms, String path, Locale locale) {
I_CmsXmlContentValue value = getValueInternal(CmsXmlUtils.createXpath(path, 1), locale);
if (value != null) {
return value.getStringValue(cms);
}
return null;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getStringValue(CmsObject, java.lang.String, Locale, int)
*/
public String getStringValue(CmsObject cms, String path, Locale locale, int index) {
// directly calling getValueInternal() is more efficient then calling getStringValue(CmsObject, String, Locale)
// since the most costs are generated in resolving the xpath name
I_CmsXmlContentValue value = getValueInternal(CmsXmlUtils.createXpath(path, index + 1), locale);
if (value != null) {
return value.getStringValue(cms);
}
return null;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getSubValues(java.lang.String, java.util.Locale)
*/
public List getSubValues(String path, Locale locale) {
List result = new ArrayList();
String bookmark = getBookmarkName(CmsXmlUtils.createXpath(path, 1), locale);
I_CmsXmlContentValue value = getBookmark(bookmark);
if ((value != null) && !value.isSimpleType()) {
// calculate level of current bookmark
int depth = CmsResource.getPathLevel(bookmark) + 1;
Iterator i = getBookmarks().iterator();
while (i.hasNext()) {
String bm = i.next();
if (bm.startsWith(bookmark) && (CmsResource.getPathLevel(bm) == depth)) {
// add only values directly below the value
result.add(getBookmark(bm));
}
}
}
return result;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getValue(java.lang.String, java.util.Locale)
*/
public I_CmsXmlContentValue getValue(String path, Locale locale) {
return getValueInternal(CmsXmlUtils.createXpath(path, 1), locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getValue(java.lang.String, java.util.Locale, int)
*/
public I_CmsXmlContentValue getValue(String path, Locale locale, int index) {
return getValueInternal(CmsXmlUtils.createXpath(path, index + 1), locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getValues(java.util.Locale)
*/
public List getValues(Locale locale) {
List result = new ArrayList();
// bookmarks are stored with the locale as first prefix
String prefix = '/' + locale.toString() + '/';
// it's better for performance to iterate through the list of bookmarks directly
Iterator> i = m_bookmarks.entrySet().iterator();
while (i.hasNext()) {
Map.Entry entry = i.next();
if (entry.getKey().startsWith(prefix)) {
result.add(entry.getValue());
}
}
// sort the result
Collections.sort(result);
return result;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#getValues(java.lang.String, java.util.Locale)
*/
public List getValues(String path, Locale locale) {
List result = new ArrayList();
String bookmark = getBookmarkName(CmsXmlUtils.createXpath(CmsXmlUtils.removeXpathIndex(path), 1), locale);
I_CmsXmlContentValue value = getBookmark(bookmark);
if (value != null) {
if (value.getContentDefinition().getChoiceMaxOccurs() > 1) {
// selected value belongs to a xsd:choice
String parent = CmsXmlUtils.removeLastXpathElement(bookmark);
int depth = CmsResource.getPathLevel(bookmark);
Iterator i = getBookmarks().iterator();
while (i.hasNext()) {
String bm = i.next();
if (bm.startsWith(parent) && (CmsResource.getPathLevel(bm) == depth)) {
result.add(getBookmark(bm));
}
}
} else {
// selected value belongs to a xsd:sequence
int index = 1;
String bm = CmsXmlUtils.removeXpathIndex(bookmark);
while (value != null) {
result.add(value);
index++;
String subpath = CmsXmlUtils.createXpathElement(bm, index);
value = getBookmark(subpath);
}
}
}
return result;
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#hasLocale(java.util.Locale)
*/
public boolean hasLocale(Locale locale) {
if (locale == null) {
throw new CmsIllegalArgumentException(Messages.get().container(Messages.ERR_NULL_LOCALE_0));
}
return m_locales.contains(locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#hasValue(java.lang.String, java.util.Locale)
*/
public boolean hasValue(String path, Locale locale) {
return null != getBookmark(CmsXmlUtils.createXpath(path, 1), locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#hasValue(java.lang.String, java.util.Locale, int)
*/
public boolean hasValue(String path, Locale locale, int index) {
return null != getBookmark(CmsXmlUtils.createXpath(path, index + 1), locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#initDocument()
*/
public void initDocument() {
initDocument(m_document, m_encoding, getContentDefinition());
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#isEnabled(java.lang.String, java.util.Locale)
*/
public boolean isEnabled(String path, Locale locale) {
return hasValue(path, locale);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#isEnabled(java.lang.String, java.util.Locale, int)
*/
public boolean isEnabled(String path, Locale locale, int index) {
return hasValue(path, locale, index);
}
/**
* Marshals (writes) the content of the current XML document
* into a byte array using the selected encoding.
*
* @return the content of the current XML document written into a byte array
* @throws CmsXmlException if something goes wrong
*/
public byte[] marshal() throws CmsXmlException {
return ((ByteArrayOutputStream)marshal(new ByteArrayOutputStream(), m_encoding)).toByteArray();
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#moveLocale(java.util.Locale, java.util.Locale)
*/
public void moveLocale(Locale source, Locale destination) throws CmsXmlException {
copyLocale(source, destination);
removeLocale(source);
}
/**
* @see org.opencms.xml.I_CmsXmlDocument#removeLocale(java.util.Locale)
*/
public void removeLocale(Locale locale) throws CmsXmlException {
if (!hasLocale(locale)) {
throw new CmsXmlException(Messages.get().container(Messages.ERR_LOCALE_NOT_AVAILABLE_1, locale));
}
Element rootNode = m_document.getRootElement();
Iterator i = CmsXmlGenericWrapper.elementIterator(rootNode);
String localeStr = locale.toString();
while (i.hasNext()) {
Element element = i.next();
String language = element.attributeValue(CmsXmlContentDefinition.XSD_ATTRIBUTE_VALUE_LANGUAGE, null);
if ((language != null) && (localeStr.equals(language))) {
// detach node with the locale
element.detach();
// there can be only one node for the locale
break;
}
}
// re-initialize the document bookmarks
initDocument(m_document, m_encoding, getContentDefinition());
}
/**
* Sets the content conversion mode for this document.
*
* @param conversion the conversion mode to set for this document
*/
public void setConversion(String conversion) {
m_conversion = conversion;
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
try {
return CmsXmlUtils.marshal(m_document, m_encoding);
} catch (CmsXmlException e) {
throw new CmsRuntimeException(Messages.get().container(Messages.ERR_WRITE_XML_DOC_TO_STRING_0), e);
}
}
/**
* Validates the XML structure of the document with the DTD or XML schema used by the document.
*
* This is required in case someone modifies the XML structure of a
* document using the "edit control code" option.
*
* @param resolver the XML entity resolver to use
* @throws CmsXmlException if the validation fails
*/
public void validateXmlStructure(EntityResolver resolver) throws CmsXmlException {
if (m_file != null) {
// file is set, use bytes from file directly
CmsXmlUtils.validateXmlStructure(m_file.getContents(), resolver);
} else {
// use XML document - note that this will be copied in a byte[] array first
CmsXmlUtils.validateXmlStructure(m_document, m_encoding, resolver);
}
}
/**
* Adds a bookmark for the given value.
*
* @param path the lookup path to use for the bookmark
* @param locale the locale to use for the bookmark
* @param enabled if true, the value is enabled, if false it is disabled
* @param value the value to bookmark
*/
protected void addBookmark(String path, Locale locale, boolean enabled, I_CmsXmlContentValue value) {
// add the locale (since the locales are a set adding them more then once does not matter)
addLocale(locale);
// add a bookmark to the provided value
m_bookmarks.put(getBookmarkName(path, locale), value);
Set sl;
// update mapping of element name to locale
if (enabled) {
// only include enabled elements
sl = m_elementLocales.get(path);
if (sl != null) {
sl.add(locale);
} else {
Set set = new HashSet();
set.add(locale);
m_elementLocales.put(path, set);
}
}
// update mapping of locales to element names
Set sn = m_elementNames.get(locale);
if (sn == null) {
sn = new HashSet();
m_elementNames.put(locale, sn);
}
sn.add(path);
}
/**
* Adds a locale to the set of locales of the XML document.
*
* @param locale the locale to add
*/
protected void addLocale(Locale locale) {
// add the locale to all locales in this dcoument
m_locales.add(locale);
}
/**
* Clears the XML document bookmarks.
*/
protected void clearBookmarks() {
m_bookmarks.clear();
}
/**
* Creates a partial deep element copy according to the set of element paths.
* Only elements contained in that set will be copied.
*
* @param element the element to copy
* @param copyElements the set of paths for elements to copy
*
* @return a partial deep copy of element
*/
protected Element createDeepElementCopy(Element element, Set copyElements) {
return createDeepElementCopyInternal(null, null, element, copyElements);
}
/**
* Returns the bookmarked value for the given bookmark,
* which must be a valid bookmark name.
*
* Use {@link #getBookmarks()} to get the list of all valid bookmark names.
*
* @param bookmark the bookmark name to look up
* @return the bookmarked value for the given bookmark
*/
protected I_CmsXmlContentValue getBookmark(String bookmark) {
return m_bookmarks.get(bookmark);
}
/**
* Returns the bookmarked value for the given name.
*
* @param path the lookup path to use for the bookmark
* @param locale the locale to get the bookmark for
* @return the bookmarked value
*/
protected I_CmsXmlContentValue getBookmark(String path, Locale locale) {
return m_bookmarks.get(getBookmarkName(path, locale));
}
/**
* Returns the names of all bookmarked elements.
*
* @return the names of all bookmarked elements
*/
protected Set getBookmarks() {
return m_bookmarks.keySet();
}
/**
* Internal method to look up a value, requires that the name already has been
* "normalized" for the bookmark lookup.
*
* This is required to find names like "title/subtitle" which are stored
* internally as "title[0]/subtitle[0]" in the bookmarks.
*
* @param path the path to look up
* @param locale the locale to look up
*
* @return the value found in the bookmarks
*/
protected I_CmsXmlContentValue getValueInternal(String path, Locale locale) {
return getBookmark(path, locale);
}
/**
* Initializes an XML document based on the provided document, encoding and content definition.
*
* @param document the base XML document to use for initializing
* @param encoding the encoding to use when marshalling the document later
* @param contentDefinition the content definition to use
*/
protected abstract void initDocument(Document document, String encoding, CmsXmlContentDefinition contentDefinition);
/**
* Returns true if the auto correction feature is enabled for saving this XML content.
*
* @return true if the auto correction feature is enabled for saving this XML content
*/
protected boolean isAutoCorrectionEnabled() {
// by default, this method always returns false
return false;
}
/**
* Marshals (writes) the content of the current XML document
* into an output stream.
*
* @param out the output stream to write to
* @param encoding the encoding to use
* @return the output stream with the XML content
* @throws CmsXmlException if something goes wrong
*/
protected OutputStream marshal(OutputStream out, String encoding) throws CmsXmlException {
return CmsXmlUtils.marshal(m_document, out, encoding);
}
/**
* Removes the bookmark for an element with the given name and locale.
*
* @param path the lookup path to use for the bookmark
* @param locale the locale of the element
* @return the element removed from the bookmarks or null
*/
protected I_CmsXmlContentValue removeBookmark(String path, Locale locale) {
// remove mapping of element name to locale
Set sl;
sl = m_elementLocales.get(path);
if (sl != null) {
sl.remove(locale);
}
// remove mapping of locale to element name
Set sn = m_elementNames.get(locale);
if (sn != null) {
sn.remove(path);
}
// remove the bookmark and return the removed element
return m_bookmarks.remove(getBookmarkName(path, locale));
}
/**
* Removes all nodes that exceed newly defined maxOccurs rules from the list of elements.
*
* @param elements the list of elements to check
* @param maxOccurs maximum number of elements allowed
* @param typeName name of the element type
*/
private void checkMaxOccurs(List elements, int maxOccurs, String typeName) {
if (elements.size() > maxOccurs) {
if (typeName.equals(CmsXmlCategoryValue.TYPE_NAME)) {
if (maxOccurs == 1) {
Element category = elements.get(0);
List categories = new ArrayList();
for (Element value : elements) {
Iterator itLink = value.elementIterator();
while (itLink.hasNext()) {
Element link = itLink.next();
categories.add((Element)link.clone());
}
}
category.clearContent();
for (Element value : categories) {
category.add(value);
}
}
}
// too many nodes of this type appear according to the current schema definition
for (int lo = (elements.size() - 1); lo >= maxOccurs; lo--) {
elements.remove(lo);
}
}
}
/**
* Creates a partial deep element copy according to the set of element paths.
* Only elements contained in that set will be copied.
*
* @param parentPath the path of the parent element or null, initially
* @param parent the parent element
* @param element the element to copy
* @param copyElements the set of paths for elements to copy
*
* @return a partial deep copy of element
*/
private Element createDeepElementCopyInternal(
String parentPath,
Element parent,
Element element,
Set copyElements) {
String elName = element.getName();
if (parentPath != null) {
Element first = element.getParent().element(elName);
int elIndex = (element.getParent().indexOf(element) - first.getParent().indexOf(first)) + 1;
elName = parentPath + (parentPath.length() > 0 ? "/" : "") + elName.concat("[" + elIndex + "]");
}
if ((parentPath == null) || copyElements.contains(elName)) {
// this is a content element we want to copy
Element copy = element.createCopy();
// copy.detach();
if (parentPath != null) {
parent.add(copy);
}
// check if we need to copy subelements, too
boolean copyNested = (parentPath == null);
for (Iterator i = copyElements.iterator(); !copyNested && i.hasNext();) {
String path = i.next();
copyNested = !elName.equals(path) && path.startsWith(elName);
}
if (copyNested) {
copy.clearContent();
for (Iterator i = CmsXmlGenericWrapper.elementIterator(element); i.hasNext();) {
Element el = i.next();
createDeepElementCopyInternal((parentPath == null) ? "" : elName, copy, el, copyElements);
}
}
return copy;
} else {
return null;
}
}
}