| /* |
| * 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. |
| */ |
| package org.apache.oodt.cas.pge.writers; |
| |
| //Google static imports |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| //OODT static imports |
| import static org.apache.oodt.cas.pge.util.XmlHelper.fillIn; |
| |
| //JDK imports |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.util.logging.Logger; |
| |
| //Google imports |
| import com.google.common.annotations.VisibleForTesting; |
| |
| //OODT imports |
| import org.apache.oodt.cas.metadata.Metadata; |
| |
| /** |
| * Text {@link SciPgeConfigFileWriter} which takes a template with envReplace |
| * metadata that gets dynamically filled out and written to a file. |
| * |
| * @author bfoster (Brian Foster) |
| */ |
| public class TextConfigFileWriter extends DynamicConfigFileWriter { |
| |
| private static final int TEMPLATE_INDEX = 0; |
| |
| @Override |
| public File generateFile(String filePath, Metadata metadata, Logger logger, |
| Object... customArgs) throws Exception { |
| checkArgument(customArgs.length > 0, |
| TextConfigFileWriter.class.getCanonicalName() |
| + " has no args specified"); |
| String template = checkNotNull((String) customArgs[TEMPLATE_INDEX], |
| "Must specify Text file template in args at index = '" |
| + TEMPLATE_INDEX + "'"); |
| |
| try { |
| return writeTextFile(filePath, fillIn(template, metadata)); |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| } |
| |
| @VisibleForTesting |
| protected File writeTextFile(String file, String text) throws IOException { |
| File outputFile = new File(file); |
| PrintStream ps = null; |
| try { |
| ps = new PrintStream(new FileOutputStream(outputFile)); |
| ps.println(text); |
| return outputFile; |
| } catch (Exception e) { |
| throw new IOException("Failed to write text file '" + file + "' : " |
| + e.getMessage(), e); |
| } finally { |
| try { |
| ps.close(); |
| } catch (Exception ignore) { |
| } |
| } |
| } |
| } |