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Diffstat (limited to 'l10ntools/source/filter/utils/XMLHelper.java')
| -rw-r--r-- | l10ntools/source/filter/utils/XMLHelper.java | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/l10ntools/source/filter/utils/XMLHelper.java b/l10ntools/source/filter/utils/XMLHelper.java deleted file mode 100644 index 390a6e59af95..000000000000 --- a/l10ntools/source/filter/utils/XMLHelper.java +++ /dev/null @@ -1,812 +0,0 @@ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * 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 . - */ - -package com.sun.star.filter.config.tools.utils; - -//_______________________________________________ - -import java.lang.*; -import java.util.*; -import java.io.*; - -//_______________________________________________ - -/** - * It provides some constant values and some static helper routines - * which are neccessary to work with a xml file - especialy - * the filter configuration. - * - * - */ -public class XMLHelper -{ - - - /** its a possible value of the xml attribute "oor:type" and identify an integer type. */ - public static final java.lang.String XMLTYPE_INTEGER = "xs:int"; - - /** its a possible value of the xml attribute "oor:type" and identify an boolean type. */ - public static final java.lang.String XMLTYPE_BOOLEAN = "xs:boolean"; - - /** its a possible value of the xml attribute "oor:type" and identify an string type. */ - public static final java.lang.String XMLTYPE_STRING = "xs:string"; - - /** its a possible value of the xml attribute "oor:type" and identify an string list type. */ - public static final java.lang.String XMLTYPE_STRINGLIST = "oor:string-list"; - - /** its a xml attribute, which specify a property name. */ - public static final java.lang.String XMLATTRIB_OOR_NAME = "oor:name"; - - /** its a xml attribute, which specify a property type. */ - public static final java.lang.String XMLATTRIB_OOR_TYPE = "oor:type"; - - /** its a xml attribute, which specify a list separator. */ - public static final java.lang.String XMLATTRIB_OOR_SEPARATOR = "oor:separator"; - - /** its a xml attribute, which specify a localized value. */ - public static final java.lang.String XMLATTRIB_OOR_LOCALIZED = "oor:localized"; - - /** its a xml attribute, which specify a merge operation for cfg layering. */ - public static final java.lang.String XMLATTRIB_OOR_OP = "oor:op"; - - /** can be used as value for XMLATTRIB_OOR_OP. */ - public static final java.lang.String XMLATTRIB_OP_REPLACE = "replace"; - - /** its a xml attribute, which specify a locale value. */ - public static final java.lang.String XMLATTRIB_XML_LANG = "xml:lang"; - - /** its the tag name of a <value ...> entry. */ - public static final java.lang.String XMLTAG_VALUE = "value"; - - /** its the tag name of a <prop ...> entry. */ - public static final java.lang.String XMLTAG_PROP = "prop"; - - /** its the tag name of a <node ...> entry. */ - public static final java.lang.String XMLTAG_NODE = "node"; - - //___________________________________________ - // private const - - /** a static list of all possible separators, which can be used for configuration type string-list. */ - private static final java.lang.String[] DELIMS = {" ", ",", ";", ".", ":", "-", "_", "#", "'", "+", "*", "~", "=", "?"}; - - /** index of the default separator inside list DELIMS. - * Its neccessary to know such default separator; because it can - * be supressed as xml attribute of the corresponding value tag. */ - private static final int DEFAULT_SEPARATOR = 0; - - //___________________________________________ - - /** analyze the structures of the given XML node and - * return a property set of all found sub nodes. - * - * Such properties are organized as [name, value] pairs. - * The type of a xml node will be detected automaticly. - * Following types are supported: - * xs:int => java.lang.Integer - * xs:bool => java.lang.Boolean - * xs:string => java.lang.String - * oor:string-list => java.util.LinkedList[java.lang.String] - * oor:set => java.util.Vector[java.lang.Object] - * oor:localized => java.util.HashMap[java.lang.Object] - * - * @param aNode - * points directly to the xml node, where we should analyze - * the children nodes. - * - * @return [java.util.HashMap] - * contains every node name as key and its string(!) as value. - */ - public static java.util.HashMap convertNodeToPropSet(org.w3c.dom.Node aNode) - throws java.lang.Exception - { - java.util.HashMap aPropSet = new java.util.HashMap(); - - // get all child nodes, which seems to be properties - java.util.Vector lChildNodes = XMLHelper.extractChildNodesByTagName(aNode, XMLTAG_PROP); - java.util.Enumeration en1 = lChildNodes.elements(); - while(en1.hasMoreElements()) - { - org.w3c.dom.Node aChildNode = (org.w3c.dom.Node)en1.nextElement(); - - // read its name - java.lang.String sChildName = XMLHelper.extractNodeAttribByName(aChildNode, XMLATTRIB_OOR_NAME); - if (sChildName == null) - throw new java.io.IOException("unsupported format: could not extract child node name"); - - // read its type info - java.lang.String sChildType = XMLHelper.extractNodeAttribByName(aChildNode, XMLATTRIB_OOR_TYPE); - if (sChildType == null) - { - /** Special patch: - * If an xml tag has no type information set ... we can restore it - * by analyzing the already readed tag name :-) - * Not very nice - but it can help to read stripped xml files too. */ - sChildType = XMLHelper.getTypeForTag(sChildName); - if (sChildType == null) - throw new java.io.IOException("unsupported format: could not extract child node type"); - } - - // read its value(s?) - java.util.Vector lChildValues = XMLHelper.extractChildNodesByTagName(aChildNode, XMLTAG_VALUE); - java.util.Enumeration en2 = lChildValues.elements(); - int nValue = 0; - java.lang.Object aValue = null; - while(en2.hasMoreElements()) - { - org.w3c.dom.Node aValueNode = (org.w3c.dom.Node)en2.nextElement(); - java.lang.String sChildLocale = XMLHelper.extractNodeAttribByName(aValueNode, XMLATTRIB_XML_LANG); - boolean bLocalized = (sChildLocale != null); - - ++nValue; - - if (sChildType.equals(XMLTYPE_INTEGER)) - { - if (!bLocalized && nValue > 1) - throw new java.io.IOException("unsupported format: more then one value for non localized but atomic type detected"); - java.lang.String sData = ((org.w3c.dom.CharacterData)aValueNode.getFirstChild()).getData(); - aValue = new java.lang.Integer(sData); - } - else - if (sChildType.equals(XMLTYPE_BOOLEAN)) - { - if (!bLocalized && nValue > 1) - throw new java.io.IOException("unsupported format: more then one value for non localized but atomic type detected"); - java.lang.String sData = ((org.w3c.dom.CharacterData)aValueNode.getFirstChild()).getData(); - aValue = new java.lang.Boolean(sData); - } - else - if (sChildType.equals(XMLTYPE_STRING)) - { - if (!bLocalized && nValue > 1) - throw new java.io.IOException("unsupported format: more then one value for non localized but atomic type detected"); - - java.lang.String sData = ((org.w3c.dom.CharacterData)aValueNode.getFirstChild()).getData(); - - java.util.HashMap lLocalized = null; - if (bLocalized) - { - if (aValue == null) - aValue = new java.util.HashMap(); - lLocalized = (java.util.HashMap)aValue; - lLocalized.put(sChildLocale, sData); - } - else - aValue = sData; - } - else - if (sChildType.equals(XMLTYPE_STRINGLIST)) - { - if (!bLocalized && nValue > 1) - throw new java.io.IOException("unsupported format: more then one value for non localized but atomic type detected"); - - java.lang.String sSeparator = XMLHelper.extractNodeAttribByName(aChildNode, XMLATTRIB_OOR_SEPARATOR); - if (sSeparator == null) - sSeparator = " "; - - java.lang.String sData = ((org.w3c.dom.CharacterData)aValueNode.getFirstChild()).getData(); - sData = sData.replace('\t', ' '); - sData = sData.replace('\n', ' '); - java.util.StringTokenizer aTokenizer = new java.util.StringTokenizer(sData, sSeparator); - java.util.Vector lList = new java.util.Vector(); - while(aTokenizer.hasMoreTokens()) - { - java.lang.String sToken = (java.lang.String)aTokenizer.nextToken(); - sToken.trim(); - if (sToken.length() < 1) - continue; - lList.add(sToken); - } - aValue = lList; - } - - aPropSet.put(sChildName, aValue); - } - } - - return aPropSet; - } - - //___________________________________________ - - private static java.lang.String getTypeForTag(java.lang.String sTag) - { - java.lang.String sType = null; - - if ( - (sTag.equals(Cache.PROPNAME_DATA )) || - (sTag.equals(Cache.PROPNAME_NAME )) || - (sTag.equals(Cache.PROPNAME_UINAME )) || - (sTag.equals(Cache.PROPNAME_MEDIATYPE )) || - (sTag.equals(Cache.PROPNAME_CLIPBOARDFORMAT )) || - (sTag.equals(Cache.PROPNAME_PREFERREDFILTER )) || - (sTag.equals(Cache.PROPNAME_DETECTSERVICE )) || - (sTag.equals(Cache.PROPNAME_FRAMELOADER )) || - (sTag.equals(Cache.PROPNAME_CONTENTHANDLER )) || - (sTag.equals(Cache.PROPNAME_DOCUMENTSERVICE )) || - (sTag.equals(Cache.PROPNAME_FILTERSERVICE )) || - (sTag.equals(Cache.PROPNAME_TEMPLATENAME )) || - (sTag.equals(Cache.PROPNAME_TYPE )) || - (sTag.equals(Cache.PROPNAME_UICOMPONENT )) - ) - sType = XMLTYPE_STRING; - else - if ( - (sTag.equals(Cache.PROPNAME_PREFERRED )) || - (sTag.equals("Installed" )) - ) - sType = XMLTYPE_BOOLEAN; - else - if ( - (sTag.equals(Cache.PROPNAME_UIORDER )) || - (sTag.equals(Cache.PROPNAME_DOCUMENTICONID )) || - (sTag.equals(Cache.PROPNAME_FILEFORMATVERSION)) - ) - sType = XMLTYPE_INTEGER; - else - if ( - (sTag.equals(Cache.PROPNAME_URLPATTERN )) || - (sTag.equals(Cache.PROPNAME_EXTENSIONS )) || - (sTag.equals(Cache.PROPNAME_USERDATA )) || - (sTag.equals(Cache.PROPNAME_FLAGS )) || - (sTag.equals(Cache.PROPNAME_TYPES )) - ) - sType = XMLTYPE_STRINGLIST; - - if (sType == null) - System.err.println("getTypeForTag("+sTag+") = "+sType); - - return sType; - } - - //___________________________________________ - - /** return a xml representation of the given property set. - * - * @param aPropSet - * a set of <name,value> pairs, which should be translated to xml - * - * @return [java.lang.String] - * the xml string representation. - * - * @throws [java.lang.Exception] - * if anything during convertion fill fail. - */ - public static java.lang.String convertPropSetToXML(java.util.HashMap aPropSet , - int nPrettyTabs) - throws java.lang.Exception - { - java.lang.StringBuffer sXML = new java.lang.StringBuffer(256); - - java.util.Iterator it1 = aPropSet.keySet().iterator(); - while(it1.hasNext()) - { - java.lang.String sProp = (java.lang.String)it1.next(); - java.lang.Object aVal = aPropSet.get(sProp); - - sProp = encodeHTMLSigns(sProp); - - // is it a simple type? - if ( - (aVal instanceof java.lang.Integer) || - (aVal instanceof java.lang.Boolean) || - (aVal instanceof java.lang.String ) - ) - { - sXML.append(XMLHelper.convertSimpleObjectToXML(sProp, aVal, nPrettyTabs)); - continue; - } - - // no! - // is it a list value? - if (aVal instanceof java.util.Vector) - { - java.util.Vector lVal = (java.util.Vector)aVal; - sXML.append(XMLHelper.convertListToXML(sProp, lVal, nPrettyTabs)); - continue; - } - - // its a localized value? - if (aVal instanceof java.util.HashMap) - { - java.util.HashMap lVal = (java.util.HashMap)aVal; - sXML.append(XMLHelper.convertLocalizedValueToXML(sProp, lVal, nPrettyTabs)); - continue; - } - - // unknown type! - java.lang.StringBuffer sMsg = new java.lang.StringBuffer(256); - sMsg.append("unsupported object type detected."); - sMsg.append("\ttype ? : \""+sProp+"\" = "+aVal); - sMsg.append("\tprop set: \""+aPropSet ); - throw new java.lang.Exception(sMsg.toString()); - } - - return sXML.toString(); - } - - public static java.lang.String encodeHTMLSigns(java.lang.String sValue) - { - java.lang.StringBuffer sSource = new java.lang.StringBuffer(sValue); - java.lang.StringBuffer sDestination = new java.lang.StringBuffer(1000 ); - - for (int i=0; i<sSource.length(); ++i) - { - char c = sSource.charAt(i); - if (c == '&') - sDestination.append("&"); - else - sDestination.append(c); - } - - java.lang.String sReturn = sDestination.toString(); - if (!sReturn.equals(sValue)) - System.out.println("encode \""+sValue+"\" => \""+sReturn+"\""); - - return sReturn; - } - - //___________________________________________ - - /** return a xml representation of an atomic property. - * - * Atomic property types are e.g. Integer, Boolean, String. - * - * @param sName - * the name of the property. - - * @param aValue - * the value of the property. - * - * @param nPrettyTabs - * count of tab signs for pretty format the xml code :-) - * - * @return [java.lang.String] - * the xml string representation. - * - * @throws [java.lang.Exception] - * if anything during convertion fill fail. - */ - private static java.lang.String convertSimpleObjectToXML(java.lang.String sName , - java.lang.Object aValue , - int nPrettyTabs) - throws java.lang.Exception - { - java.lang.StringBuffer sXML = new java.lang.StringBuffer(256); - for (int t=0; t<nPrettyTabs; ++t) - sXML.append("\t"); - - if (aValue instanceof java.lang.Integer) - { - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\">"); - sXML.append("<value>"+aValue.toString()+"</value>"); - sXML.append("</prop>\n"); - } - else - if (aValue instanceof java.lang.Boolean) - { - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\">"); - sXML.append("<value>"+aValue.toString()+"</value>"); - sXML.append("</prop>\n"); - } - else - if (aValue instanceof java.lang.String) - { - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\""); - java.lang.String sValue = (java.lang.String)aValue; - - sValue = encodeHTMLSigns(sValue); - - if (sValue.length() < 1) - sXML.append("/>\n"); - else - { - sXML.append("><value>"+sValue+"</value>"); - sXML.append("</prop>\n"); - } - } - else - { - System.err.println("name = "+sName); - System.err.println("value = "+aValue); - // ! can be used outside to detect - that it was not a simple type :-) - throw new java.lang.Exception("not an atomic type."); - } - - return sXML.toString(); - } - - //___________________________________________ - - /** return a xml representation of a string-list property. - * - * @param sName - * the name of the property. - - * @param aValue - * the value of the property. - * - * @param nPrettyTabs - * count of tab signs for pretty format the xml code :-) - * - * @return [java.lang.String] - * the xml string representation. - * - * @throws [java.lang.Exception] - * if anything during convertion fill fail. - */ - private static java.lang.String convertListToXML(java.lang.String sName , - java.util.Vector aValue , - int nPrettyTabs) - throws java.lang.Exception - { - java.lang.StringBuffer sXML = new java.lang.StringBuffer(256); - - for (int t=0; t<nPrettyTabs; ++t) - sXML.append("\t"); - - int c = aValue.size(); - if (c < 1) - { - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\"/>\n"); - return sXML.toString(); - } - - // step over all list items and add it to a string buffer - // Every item will be separated by a default separator "\n" first. - // Because "\n" is not a valid separator at all and can`t occure inside - // our list items. During we step over all items, we check if our current separator - // (we use a list of possible ones!) clash with an item. - // If it clash - we step to the next possible separator. - // If our list of possible separator values runs out of range we throw - // an exception :-) Its better then generating of wrong values - // If we found a valid seperator - we use it to replace our "\n" place holder - // at the end of the following loop ... - - int d = 0; - java.lang.StringBuffer sValBuff = new java.lang.StringBuffer(256); - for (int i=0; i<c; ++i) - { - // get the next list item - java.lang.Object aItem = aValue.get(i); - if (!(aItem instanceof java.lang.String)) - throw new java.lang.Exception("Current implementation supports string-list only!"); - - java.lang.String sValue = (java.lang.String)aItem; - - sValue = encodeHTMLSigns(sValue); - - // append item with default separator, which isn a valid separator at all - // But supress adding of the separator if last element is reached. - sValBuff.append(sValue); - if (i<(c-1)) - sValBuff.append("\n"); - - // check for delim clash - // Attention: An empty (means default) element forbid using - // of a whitespace character as separator! - while(true) - { - if (d >= DELIMS.length) - throw new java.lang.Exception("No valid separator found for a string list item."); - if (sValue.length() < 1 && DELIMS[d].equals(" ")) - { - ++d; - continue; - } - if (sValue.indexOf(DELIMS[d]) != -1) - { - ++d; - continue; - } - break; - } - } - - // replace default separator with right one - System.out.println("TODO: must be adapted to java 1.3 :-("); - System.exit(-1); -//TODO_JAVA java.lang.String sListVal = sValBuff.toString().replaceAll("\n", DELIMS[d]); - java.lang.String sListVal = null; - - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\">"); - if (d == DEFAULT_SEPARATOR) - sXML.append("<value>"); - else - sXML.append("<value "+XMLATTRIB_OOR_SEPARATOR+"=\""+DELIMS[d]+"\">"); - sXML.append(sListVal); - sXML.append("</value>"); - sXML.append("</prop>\n"); - - return sXML.toString(); - } - - //___________________________________________ - - /** return a xml representation of a localized property. - * - * @param sName - * the name of the property. - - * @param aValue - * the value of the property. - * - * @param nPrettyTabs - * count of tab signs for pretty format the xml code :-) - * - * @return [java.lang.String] - * the xml string representation. - * - * @throws [java.lang.Exception] - * if anything during convertion fill fail. - */ - private static java.lang.String convertLocalizedValueToXML(java.lang.String sName , - java.util.HashMap aValue , - int nPrettyTabs) - throws java.lang.Exception - { - java.lang.StringBuffer sXML = new java.lang.StringBuffer(256); - - int c = aValue.size(); - if (c < 1) - throw new java.lang.Exception("Cant detect type of localized values. Because the given list is empty."); - - for (int t=0; t<nPrettyTabs; ++t) - sXML.append("\t"); - // !Our localized values must be formated at a deeper coloum - // then its property name! - ++nPrettyTabs; - - sXML.append("<prop "+XMLATTRIB_OOR_NAME+"=\""+sName+"\">\n"); - java.util.Iterator it = aValue.keySet().iterator(); -// boolean bTypeKnown = false; - while(it.hasNext()) - { - java.lang.String sLocale = (java.lang.String)it.next(); - java.lang.Object aLocalizedValue = aValue.get(sLocale); -/* - if (!bTypeKnown) - { - bTypeKnown = true; - if (aLocalizedValue instanceof java.lang.Integer) - sXML.append(" "+XMLATTRIB_OOR_TYPE+"=\""+XMLTYPE_INTEGER+"\">\n"); - else - if (aLocalizedValue instanceof java.lang.Boolean) - sXML.append(" "+XMLATTRIB_OOR_TYPE+"=\""+XMLTYPE_BOOLEAN+"\">\n"); - else - if (aLocalizedValue instanceof java.lang.String) - sXML.append(" "+XMLATTRIB_OOR_TYPE+"=\""+XMLTYPE_STRING+"\">\n"); - else - throw new java.lang.Exception("Unsupported type for localized value detected."); - } -*/ - java.lang.String sLocValue = aLocalizedValue.toString(); - java.lang.String sValue = encodeHTMLSigns(sLocValue); - - for (int t=0; t<nPrettyTabs; ++t) - sXML.append("\t"); - sXML.append("<value "+XMLATTRIB_XML_LANG+"=\""+sLocale+"\">"+sValue+"</value>\n"); - } - --nPrettyTabs; - for (int t=0; t<nPrettyTabs; ++t) - sXML.append("\t"); - sXML.append("</prop>\n"); - - return sXML.toString(); - } - - //___________________________________________ - - /** returns the value of an attribute of the given node. - * - * If the given node represent an lement node, may it supports some attributes. - * Then this method search for an attribute with the specified name and return it's value. - * If nothing could be found ... or the given node isn't a suitable node ... it returns null. - * - * @param aNode - * the node, which should be analyzed. - * - * @param sAttrib - * name of the attribute, which should be searched. - * - * @return The value of the specified attribute if it could be found at the given node. - * Can be null if node doesn't support attributes or the searched one does not exist there. - */ - public static java.lang.String extractNodeAttribByName(org.w3c.dom.Node aNode , - java.lang.String sAttrib) - throws java.lang.Exception - { - // We can get valid attributes for element nodes only! - if (aNode.getNodeType() != org.w3c.dom.Node.ELEMENT_NODE) - { -// System.err.println("not an element node"); - return null; - } - - // may it supports attributes in general ... but doesn't have anyone realy. - org.w3c.dom.NamedNodeMap lAttribs = aNode.getAttributes(); - if (lAttribs==null) - { -// System.err.println("no attributes at all"); - return null; - } - - // step over the attribute list and search for the requested one - for (int i=0; i<lAttribs.getLength(); ++i) - { - org.w3c.dom.Attr aAttrib = (org.w3c.dom.Attr)lAttribs.item(i); - if (aAttrib.getName().equals(sAttrib)) - { - java.lang.String sValue = aAttrib.getValue(); - return sValue; - } - } - - // the searched attribute was not found! -// System.err.println("required attribute \""+sAttrib+"\" does not exist for node ["+aNode.toString()+"]"); - return null; - } - - //___________________________________________ - - /** returns a list of children, which are ELEMENT_NODES and have the right tag name. - * - * It analyze the list of all possible child nodes. Only ELEMENT_NODES are candidates. - * All other ones will be ignored. Further these element nodes are compared by it's tag - * names. If it match with the specified value it's added to the return list. - * So the return list includes references to the DOM tree nodes only, which are child - * element nodes with the right tag name. - * - * @param aNode - * provides access to the child nodes, which should be analyzed - * - * @param sTag - * the searched tag name. - * - * @return A list of child nodes, which are element nodes and have the right tag name. - */ - public static java.util.Vector extractChildNodesByTagName(org.w3c.dom.Node aNode, - java.lang.String sTag ) - { - // extract first all ELEMENT_NODES of he given parent - // Such nodes only provide tag names. - java.util.Vector lChildren = XMLHelper.extractChildNodesByType(aNode,org.w3c.dom.Node.ELEMENT_NODE); - java.util.Vector lExtractedChildren = new java.util.Vector(lChildren.size()); - - // step over the list and search for the right tags using the specified name - java.util.Enumeration en = lChildren.elements(); - while (en.hasMoreElements()) - { - org.w3c.dom.Node aChild = (org.w3c.dom.Node)en.nextElement(); - if (aChild.getNodeName().equals(sTag)) - lExtractedChildren.add(aChild); - } - - // pack(!) and return the list - lExtractedChildren.trimToSize(); - return lExtractedChildren; - } - - //___________________________________________ - - /** returns a list of children, which supports the right node type. - * - * It analyze the list of all possible child nodes. If a node represent the right node type - * it is added to the return list. Otherwhise it will be ignored. - * - * @param aNode - * provides access to the list of possible children nodes. - * - * @param nType - * represent the searched node type. - * Possible values are constant fields of a org.w3c.dom.Node - e.g. org.w3c.dom.Node.ELEMENT_NODE. - * - * @return A list of child nodes, which provides the right node type. - */ - public static java.util.Vector extractChildNodesByType(org.w3c.dom.Node aNode, - short nType) - { - // get list of all possibe children and reserve enough space for our return list - // Attention: A null pointer is not allowed for return! (means lExtractedChildren) - org.w3c.dom.NodeList lChildren = aNode.getChildNodes(); - int c = lChildren.getLength(); - java.util.Vector lExtractedChildren = new java.util.Vector(c); - - // step of these children and select only needed ones - for (int i=0; i<c; ++i) - { - org.w3c.dom.Node aChild = lChildren.item(i); - if (aChild.getNodeType() == nType) - lExtractedChildren.add(aChild); - } - - // pack(!) and return the list - lExtractedChildren.trimToSize(); - return lExtractedChildren; - } - - //___________________________________________ - - /** generates an xml header, using parameters. - * - * @param sVersion - * number of the xml version. - * - * @param sEncoding - * used file encoding. - * - * @param sPath - * name of the configuration root. - * - * @param sPackage - * name of the configuration package. - * - * @param bLanguagepack - * force creation of a special header, - * which is needed for language packs only. - * - * @return [java.lang.String] - * the generated xml header. - -*/ - public static java.lang.String generateHeader(java.lang.String sVersion , - java.lang.String sEncoding , - java.lang.String sPath , - java.lang.String sPackage , - boolean bLanguagePack) - { - java.lang.StringBuffer sHeader = new java.lang.StringBuffer(256); - - if (bLanguagePack) - { - sHeader.append("<?xml version=\""); - sHeader.append(sVersion); - sHeader.append("\" encoding=\""); - sHeader.append(sEncoding); - sHeader.append("\"?>\n"); - sHeader.append("<oor:component-data oor:package=\""); - sHeader.append(sPath); - sHeader.append("\" oor:name=\""); - sHeader.append(sPackage); - sHeader.append("\" xmlns:install=\"http://openoffice.org/2004/installation\""); - sHeader.append(" xmlns:oor=\"http://openoffice.org/2001/registry\""); - sHeader.append(" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\""); - sHeader.append(" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n"); - } - else - { - sHeader.append("<?xml version=\""); - sHeader.append(sVersion); - sHeader.append("\" encoding=\""); - sHeader.append(sEncoding); - sHeader.append("\"?>\n"); - sHeader.append("<oor:component-data xmlns:oor=\"http://openoffice.org/2001/registry\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" oor:package=\""); - sHeader.append(sPath); - sHeader.append("\" oor:name=\""); - sHeader.append(sPackage); - sHeader.append("\">\n"); - } - - return sHeader.toString(); - } - - public static java.lang.String generateFooter() - { - return "</oor:component-data>\n"; - } -} |