| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| // TR9401CatalogReader.java - Read OASIS Catalog files |
| |
| /* |
| * Copyright 2001-2004 The Apache Software Foundation or its licensors, |
| * as applicable. |
| * |
| * Licensed 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.sun.org.apache.xml.internal.resolver.readers; |
| |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.util.Vector; |
| import com.sun.org.apache.xml.internal.resolver.Catalog; |
| import com.sun.org.apache.xml.internal.resolver.CatalogEntry; |
| import com.sun.org.apache.xml.internal.resolver.CatalogException; |
| |
| /** |
| * Parses OASIS Open Catalog files. |
| * |
| * <p>This class reads OASIS Open Catalog files, returning a stream |
| * of tokens.</p> |
| * |
| * <p>This code interrogates the following non-standard system properties:</p> |
| * |
| * <dl> |
| * <dt><b>xml.catalog.debug</b></dt> |
| * <dd><p>Sets the debug level. A value of 0 is assumed if the |
| * property is not set or is not a number.</p></dd> |
| * </dl> |
| * |
| * @see Catalog |
| * |
| * @author Norman Walsh |
| * <a href="mailto:Norman.Walsh@Sun.COM">Norman.Walsh@Sun.COM</a> |
| * |
| */ |
| public class TR9401CatalogReader extends TextCatalogReader { |
| |
| /** |
| * Start parsing an OASIS TR9401 Open Catalog file. The file is |
| * actually read and parsed |
| * as needed by <code>nextEntry</code>. |
| * |
| * <p>In a TR9401 Catalog the 'DELEGATE' entry delegates public |
| * identifiers. There is no delegate entry for system identifiers |
| * or URIs.</p> |
| * |
| * @param catalog The Catalog to populate |
| * @param is The input stream from which to read the TR9401 Catalog |
| * |
| * @throws MalformedURLException Improper fileUrl |
| * @throws IOException Error reading catalog file |
| */ |
| public void readCatalog(Catalog catalog, InputStream is) |
| throws MalformedURLException, IOException { |
| |
| catfile = is; |
| |
| if (catfile == null) { |
| return; |
| } |
| |
| Vector unknownEntry = null; |
| |
| try { |
| while (true) { |
| String token = nextToken(); |
| |
| if (token == null) { |
| if (unknownEntry != null) { |
| catalog.unknownEntry(unknownEntry); |
| unknownEntry = null; |
| } |
| catfile.close(); |
| catfile = null; |
| return; |
| } |
| |
| String entryToken = null; |
| if (caseSensitive) { |
| entryToken = token; |
| } else { |
| entryToken = token.toUpperCase(); |
| } |
| |
| if (entryToken.equals("DELEGATE")) { |
| entryToken = "DELEGATE_PUBLIC"; |
| } |
| |
| try { |
| int type = CatalogEntry.getEntryType(entryToken); |
| int numArgs = CatalogEntry.getEntryArgCount(type); |
| Vector args = new Vector(); |
| |
| if (unknownEntry != null) { |
| catalog.unknownEntry(unknownEntry); |
| unknownEntry = null; |
| } |
| |
| for (int count = 0; count < numArgs; count++) { |
| args.addElement(nextToken()); |
| } |
| |
| catalog.addEntry(new CatalogEntry(entryToken, args)); |
| } catch (CatalogException cex) { |
| if (cex.getExceptionType() == CatalogException.INVALID_ENTRY_TYPE) { |
| if (unknownEntry == null) { |
| unknownEntry = new Vector(); |
| } |
| unknownEntry.addElement(token); |
| } else if (cex.getExceptionType() == CatalogException.INVALID_ENTRY) { |
| catalog.getCatalogManager().debug.message(1, "Invalid catalog entry", token); |
| unknownEntry = null; |
| } else if (cex.getExceptionType() == CatalogException.UNENDED_COMMENT) { |
| catalog.getCatalogManager().debug.message(1, cex.getMessage()); |
| } |
| } |
| } |
| } catch (CatalogException cex2) { |
| if (cex2.getExceptionType() == CatalogException.UNENDED_COMMENT) { |
| catalog.getCatalogManager().debug.message(1, cex2.getMessage()); |
| } |
| } |
| |
| } |
| } |