JFile.java
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上传日期:2018-01-08
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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.
- */
- package org.apache.hadoop.record.compiler;
- import java.io.IOException;
- import java.util.ArrayList;
- /**
- * Container for the Hadoop Record DDL.
- * The main components of the file are filename, list of included files,
- * and records defined in that file.
- */
- public class JFile {
- /** Possibly full name of the file */
- private String mName;
- /** Ordered list of included files */
- private ArrayList<JFile> mInclFiles;
- /** Ordered list of records declared in this file */
- private ArrayList<JRecord> mRecords;
-
- /** Creates a new instance of JFile
- *
- * @param name possibly full pathname to the file
- * @param inclFiles included files (as JFile)
- * @param recList List of records defined within this file
- */
- public JFile(String name, ArrayList<JFile> inclFiles,
- ArrayList<JRecord> recList) {
- mName = name;
- mInclFiles = inclFiles;
- mRecords = recList;
- }
-
- /** Strip the other pathname components and return the basename */
- String getName() {
- int idx = mName.lastIndexOf('/');
- return (idx > 0) ? mName.substring(idx) : mName;
- }
-
- /** Generate record code in given language. Language should be all
- * lowercase.
- */
- public int genCode(String language, String destDir, ArrayList<String> options)
- throws IOException {
- CodeGenerator gen = CodeGenerator.get(language);
- if (gen != null) {
- gen.genCode(mName, mInclFiles, mRecords, destDir, options);
- } else {
- System.err.println("Cannnot recognize language:"+language);
- return 1;
- }
- return 0;
- }
- }