X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Futil%2Fxml%2FXMLReaderTool.java;fp=source%2Fmir%2Futil%2Fxml%2FXMLReaderTool.java;h=2e192ad0701030d690c809a84c67996f759d4d07;hb=04bf29aa1f1abf43e96d0272b2a286f0c1f9fea8;hp=0000000000000000000000000000000000000000;hpb=9b159b2ca783139bff1dcfb49e54b35505ee3a01;p=mir.git diff --git a/source/mir/util/xml/XMLReaderTool.java b/source/mir/util/xml/XMLReaderTool.java new file mode 100755 index 00000000..2e192ad0 --- /dev/null +++ b/source/mir/util/xml/XMLReaderTool.java @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Mir 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with any library licensed under the Apache Software License, + * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library + * (or with modified versions of the above that use the same license as the above), + * and distribute linked combinations including the two. You must obey the + * GNU General Public License in all respects for all of the code used other than + * the above mentioned libraries. If you modify this file, you may extend this + * exception to your version of the file, but you are not obligated to do so. + * If you do not wish to do so, delete this exception statement from your version. + */ +package mir.util.xml; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +public class XMLReaderTool { + public static void checkValidIdentifier(String anIdentifier) throws XMLParserExc { + } + + public static String getStringAttributeWithDefault(java.util.Map anAttributes, String aKey, String aDefault) { + if (anAttributes.containsKey(aKey)) + return (String) anAttributes.get(aKey); + else + return aDefault; + } + + public static void checkIntegerAttribute(java.util.Map anAttributes, String aKey) throws XMLParserExc { + try { + Integer.parseInt((String) anAttributes.get(aKey)); + } + catch (Throwable t) { + throw new XMLParserExc("attribute '"+aKey+"' is not an integer" ); + } + } + + public static int getIntegerAttributeWithDefault(java.util.Map anAttributes, String aKey, int aDefault) throws XMLParserExc { + if (anAttributes.containsKey(aKey)) { + checkIntegerAttribute(anAttributes, aKey); + + return Integer.parseInt((String) anAttributes.get(aKey)); + } + else + return aDefault; + } + + public static void checkAttributes(java.util.Map anAttributes, String[] aRequiredAttributes, String[] anOptionalAttributes) throws XMLParserExc { + checkAttributeSet(anAttributes.keySet(), + new java.util.HashSet(java.util.Arrays.asList(aRequiredAttributes)), + new java.util.HashSet(java.util.Arrays.asList(anOptionalAttributes))); + } + + public static void checkAttributeSet(java.util.Set aSet, java.util.Set aRequiredElements, java.util.Set anOptionalElements) throws XMLParserExc{ + java.util.Iterator i; + + i = aSet.iterator(); + while (i.hasNext()) { + Object item = i.next(); + + if (!(aRequiredElements.contains(item) || anOptionalElements.contains(item))) + throw new XMLParserExc("unknown attribute '" + item + "'" ); + } + + i = aRequiredElements.iterator(); + while (i.hasNext()) { + Object item = i.next(); + + if (!(aSet.contains(item))) + throw new XMLParserExc("missing required attribute '" + item + "'" ); + } + + } + + /** + * Returns the namespace part of a qualified XML Tag name
+ * Example:
+ * getPrefixFromQualifiedName("dc:creator");
+ * will return "dc" + */ + + public static String getPrefixFromQualifiedName(String aQualifiedName) { + java.util.List parts = mir.util.StringRoutines.splitString(aQualifiedName, ":"); + + if (parts.size()<=1) + return ""; + else + return (String) parts.get(0); + } + + /** + * Returns the localname part of a qualified XML Tag name
+ * Example:
+ * getLocalNameFromQualifiedName("dc:creator");
+ * will return "creator" + */ + public static String getLocalNameFromQualifiedName(String aQualifiedName) { + java.util.List parts = mir.util.StringRoutines.separateString(aQualifiedName, ":"); + + if (parts.size()<1) + return null; + + if (parts.size()==1) + return (String) parts.get(0); + else + return (String) parts.get(1); + } + + /** + * Creates an {@link XMLName} out of qualified name by splitting on the + * :. + */ + public static XMLName getXMLNameForQualifiedName(String aQualifiedName) { + return new XMLName( + null, + getPrefixFromQualifiedName(aQualifiedName), + getLocalNameFromQualifiedName(aQualifiedName)); + } + + /** + * Turns a Map with {@link XMLName} keys into a map with {@link String} keys, + * by taking the XMLName's local name + */ + public static Map convertXMLAttributeMap(Map anXMLAttributeMap) { + Map result = new HashMap(); + + Iterator i = anXMLAttributeMap.entrySet().iterator(); + + while (i.hasNext()) { + Map.Entry entry = (Map.Entry) i.next(); + + result.put( + ((XMLName) entry.getKey()).getLocalName(), + entry.getValue()); + } + + return result; + } + + +}