1 | /** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one |
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3 | * or more contributor license agreements. See the NOTICE file |
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4 | * distributed with this work for additional information |
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5 | * regarding copyright ownership. The ASF licenses this file |
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6 | * to you under the Apache License, Version 2.0 (the |
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7 | * "License"); you may not use this file except in compliance |
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8 | * with the License. You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | |
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19 | package org.apache.hadoop.record.compiler; |
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20 | |
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21 | import java.io.IOException; |
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22 | import java.util.ArrayList; |
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23 | |
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24 | /** |
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25 | * Container for the Hadoop Record DDL. |
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26 | * The main components of the file are filename, list of included files, |
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27 | * and records defined in that file. |
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28 | */ |
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29 | public class JFile { |
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30 | /** Possibly full name of the file */ |
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31 | private String mName; |
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32 | /** Ordered list of included files */ |
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33 | private ArrayList<JFile> mInclFiles; |
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34 | /** Ordered list of records declared in this file */ |
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35 | private ArrayList<JRecord> mRecords; |
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36 | |
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37 | /** Creates a new instance of JFile |
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38 | * |
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39 | * @param name possibly full pathname to the file |
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40 | * @param inclFiles included files (as JFile) |
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41 | * @param recList List of records defined within this file |
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42 | */ |
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43 | public JFile(String name, ArrayList<JFile> inclFiles, |
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44 | ArrayList<JRecord> recList) { |
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45 | mName = name; |
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46 | mInclFiles = inclFiles; |
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47 | mRecords = recList; |
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48 | } |
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49 | |
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50 | /** Strip the other pathname components and return the basename */ |
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51 | String getName() { |
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52 | int idx = mName.lastIndexOf('/'); |
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53 | return (idx > 0) ? mName.substring(idx) : mName; |
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54 | } |
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55 | |
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56 | /** Generate record code in given language. Language should be all |
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57 | * lowercase. |
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58 | */ |
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59 | public int genCode(String language, String destDir, ArrayList<String> options) |
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60 | throws IOException { |
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61 | CodeGenerator gen = CodeGenerator.get(language); |
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62 | if (gen != null) { |
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63 | gen.genCode(mName, mInclFiles, mRecords, destDir, options); |
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64 | } else { |
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65 | System.err.println("Cannnot recognize language:"+language); |
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66 | return 1; |
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67 | } |
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68 | return 0; |
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69 | } |
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70 | } |
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