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- /*
- * 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
- *
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fonts.apps;
-
- import java.io.File;
- import java.io.IOException;
- import java.io.OutputStream;
- import java.util.List;
- import java.util.Map;
-
- import javax.xml.transform.Transformer;
- import javax.xml.transform.TransformerException;
- import javax.xml.transform.TransformerFactory;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- /**
- * Abstract base class for the PFM and TTF Reader command-line applications.
- */
- public abstract class AbstractFontReader {
-
- /** Logger instance */
- protected static Log log;
-
- /**
- * Main constructor.
- */
- protected AbstractFontReader() {
- // Create logger if necessary here to allow embedding of TTFReader in
- // other applications. There is a possible but harmless synchronization
- // issue.
- if (log == null) {
- log = LogFactory.getLog(AbstractFontReader.class);
- }
- }
-
- /**
- * Parse commandline arguments. put options in the HashMap and return
- * arguments in the String array
- * the arguments: -fn Perpetua,Bold -cn PerpetuaBold per.ttf Perpetua.xml
- * returns a String[] with the per.ttf and Perpetua.xml. The hash
- * will have the (key, value) pairs: (-fn, Perpetua) and (-cn, PerpetuaBold)
- * @param options Map that will receive options
- * @param args the command-line arguments
- * @return the arguments
- */
- protected static String[] parseArguments(Map options, String[] args) {
- List arguments = new java.util.ArrayList();
- for (int i = 0; i < args.length; i++) {
- if (args[i].startsWith("-")) {
- if ("-t".equals(args[i]) || "-d".equals(args[i]) || "-q".equals(args[i])) {
- options.put(args[i], "");
- } else if ((i + 1) < args.length && !args[i + 1].startsWith("-")) {
- options.put(args[i], args[i + 1]);
- i++;
- } else {
- options.put(args[i], "");
- }
- } else {
- arguments.add(args[i]);
- }
- }
- return (String[])arguments.toArray(new String[0]);
- }
-
- /**
- * Sets the logging level.
- * @param level the logging level ("debug", "info", "error" etc., see Jakarta Commons Logging)
- */
- protected static void setLogLevel(String level) {
- // Set the evel for future loggers.
- LogFactory.getFactory().setAttribute("level", level);
- }
-
- /**
- * Determines the log level based of the options from the command-line.
- * @param options the command-line options
- */
- protected static void determineLogLevel(Map options) {
- //Determine log level
- if (options.get("-t") != null) {
- setLogLevel("trace");
- } else if (options.get("-d") != null) {
- setLogLevel("debug");
- } else if (options.get("-q") != null) {
- setLogLevel("error");
- } else {
- setLogLevel("info");
- }
- }
-
- /**
- * Writes the generated DOM Document to a file.
- *
- * @param doc The DOM Document to save.
- * @param target The target filename for the XML file.
- * @throws TransformerException if an error occurs during serialization
- */
- public void writeFontXML(org.w3c.dom.Document doc, String target) throws TransformerException {
- writeFontXML(doc, new File(target));
- }
-
- /**
- * Writes the generated DOM Document to a file.
- *
- * @param doc The DOM Document to save.
- * @param target The target file for the XML file.
- * @throws TransformerException if an error occurs during serialization
- */
- public void writeFontXML(org.w3c.dom.Document doc, File target) throws TransformerException {
- log.info("Writing xml font file " + target + "...");
-
- try {
- OutputStream out = new java.io.FileOutputStream(target);
- out = new java.io.BufferedOutputStream(out);
- try {
- TransformerFactory factory = TransformerFactory.newInstance();
- Transformer transformer = factory.newTransformer();
- transformer.transform(
- new javax.xml.transform.dom.DOMSource(doc),
- new javax.xml.transform.stream.StreamResult(out));
- } finally {
- out.close();
- }
- } catch (IOException ioe) {
- throw new TransformerException("Error writing the output file", ioe);
- }
- }
-
- }
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