Source Code Cross Referenced for FileWriterUtil.java in  » Web-Services-apache-cxf-2.0.1 » tools-common » org » apache » cxf » tools » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Services apache cxf 2.0.1 » tools common » org.apache.cxf.tools.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Licensed to the Apache Software Foundation (ASF) under one
003:         * or more contributor license agreements. See the NOTICE file
004:         * distributed with this work for additional information
005:         * regarding copyright ownership. The ASF licenses this file
006:         * to you under the Apache License, Version 2.0 (the
007:         * "License"); you may not use this file except in compliance
008:         * with the License. You may obtain a copy of the License at
009:         *
010:         * http://www.apache.org/licenses/LICENSE-2.0
011:         *
012:         * Unless required by applicable law or agreed to in writing,
013:         * software distributed under the License is distributed on an
014:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015:         * KIND, either express or implied. See the License for the
016:         * specific language governing permissions and limitations
017:         * under the License.
018:         */package org.apache.cxf.tools.util;
019:
020:        import java.io.BufferedOutputStream;
021:        import java.io.File;
022:        import java.io.FileOutputStream;
023:        import java.io.IOException;
024:        import java.io.OutputStreamWriter;
025:        import java.io.Writer;
026:        import java.util.logging.Logger;
027:
028:        import org.apache.cxf.common.i18n.Message;
029:        import org.apache.cxf.common.logging.LogUtils;
030:        import org.apache.cxf.tools.common.ToolException;
031:
032:        public class FileWriterUtil {
033:            private static final Logger LOG = LogUtils
034:                    .getL7dLogger(FileWriterUtil.class);
035:            private final File target;
036:
037:            public FileWriterUtil(String targetDir) throws ToolException {
038:                target = new File(targetDir);
039:                if (!(target.exists()) || !(target.isDirectory())) {
040:                    Message msg = new Message("DIRECTORY_NOT_EXIST", LOG,
041:                            target);
042:                    throw new ToolException(msg);
043:                }
044:            }
045:
046:            public File getFileToWrite(String packageName, String fileName)
047:                    throws IOException {
048:                File dir = buildDir(packageName);
049:                File fn = new File(dir, fileName);
050:                if (fn.exists() && !fn.delete()) {
051:                    throw new IOException(fn
052:                            + ": Can't delete previous version");
053:                }
054:                return fn;
055:            }
056:
057:            public static Writer getWriter(File fn) throws IOException {
058:                return new OutputStreamWriter(new BufferedOutputStream(
059:                        new FileOutputStream(fn)), "UTF-8");
060:            }
061:
062:            public static Writer getWriter(File fn, String encoding)
063:                    throws IOException {
064:                if (encoding == null) {
065:                    encoding = "UTF-8";
066:                }
067:                return new OutputStreamWriter(new BufferedOutputStream(
068:                        new FileOutputStream(fn)), encoding);
069:            }
070:
071:            public Writer getWriter(String packageName, String fileName)
072:                    throws IOException {
073:                return getWriter(getFileToWrite(packageName, fileName));
074:            }
075:
076:            public boolean isCollision(String packageName, String fileName)
077:                    throws ToolException {
078:                File dir = buildDir(packageName);
079:                return fileExist(dir, fileName);
080:            }
081:
082:            private File buildDir(String packageName) {
083:                File dir;
084:                if (packageName == null) {
085:                    dir = target;
086:                } else {
087:                    dir = new File(target, toDir(packageName));
088:                }
089:                if (!dir.exists()) {
090:                    dir.mkdirs();
091:                }
092:                return dir;
093:            }
094:
095:            private boolean fileExist(File dir, String fileName) {
096:                return new File(dir, fileName).exists();
097:            }
098:
099:            private String toDir(String packageName) {
100:                return packageName.replace('.', File.separatorChar);
101:            }
102:
103:        }
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