1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.exif; 18 19 import android.content.res.Resources; 20 import android.test.InstrumentationTestCase; 21 import android.util.Xml; 22 23 import org.xmlpull.v1.XmlPullParser; 24 25 import java.io.FileInputStream; 26 import java.io.InputStream; 27 import java.io.InputStreamReader; 28 29 public class ExifXmlDataTestCase extends InstrumentationTestCase { 30 31 private static final String RES_ID_TITLE = "Resource ID: %x"; 32 33 private InputStream mImageInputStream; 34 private InputStream mXmlInputStream; 35 private XmlPullParser mXmlParser; 36 private final String mImagePath; 37 private final String mXmlPath; 38 private final int mImageResourceId; 39 private final int mXmlResourceId; 40 ExifXmlDataTestCase(int imageRes, int xmlRes)41 public ExifXmlDataTestCase(int imageRes, int xmlRes) { 42 mImagePath = null; 43 mXmlPath = null; 44 mImageResourceId = imageRes; 45 mXmlResourceId = xmlRes; 46 } 47 ExifXmlDataTestCase(String imagePath, String xmlPath)48 public ExifXmlDataTestCase(String imagePath, String xmlPath) { 49 mImagePath = imagePath; 50 mXmlPath = xmlPath; 51 mImageResourceId = 0; 52 mXmlResourceId = 0; 53 } 54 getImageInputStream()55 protected InputStream getImageInputStream() { 56 return mImageInputStream; 57 } 58 getXmlParser()59 protected XmlPullParser getXmlParser() { 60 return mXmlParser; 61 } 62 63 @Override setUp()64 public void setUp() throws Exception { 65 try { 66 if (mImagePath != null) { 67 mImageInputStream = new FileInputStream(mImagePath); 68 mXmlInputStream = new FileInputStream(mXmlPath); 69 mXmlParser = Xml.newPullParser(); 70 mXmlParser.setInput(new InputStreamReader(mXmlInputStream)); 71 } else { 72 Resources res = getInstrumentation().getContext().getResources(); 73 mImageInputStream = res.openRawResource(mImageResourceId); 74 mXmlParser = res.getXml(mXmlResourceId); 75 } 76 } catch (Exception e) { 77 throw new Exception(getImageTitle(), e); 78 } 79 } 80 81 @Override tearDown()82 public void tearDown() throws Exception { 83 Util.closeSilently(mImageInputStream); 84 Util.closeSilently(mXmlInputStream); 85 mXmlParser = null; 86 } 87 getImageTitle()88 protected String getImageTitle() { 89 if (mImagePath != null) { 90 return mImagePath; 91 } else { 92 return String.format(RES_ID_TITLE, mImageResourceId); 93 } 94 } 95 reopenFileStream()96 protected InputStream reopenFileStream() throws Exception { 97 try { 98 if (mImagePath != null) { 99 return new FileInputStream(mImagePath); 100 } else { 101 Resources res = getInstrumentation().getContext().getResources(); 102 return res.openRawResource(mImageResourceId); 103 } 104 } catch (Exception e) { 105 throw new Exception(getImageTitle(), e); 106 } 107 } 108 } 109