1 /* 2 * Copyright (C) 2008 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.sdklib.internal.avd; 18 19 import com.android.sdklib.ISdkLog; 20 21 import java.io.BufferedReader; 22 import java.io.File; 23 import java.io.FileInputStream; 24 import java.io.FileNotFoundException; 25 import java.io.IOException; 26 import java.io.InputStreamReader; 27 import java.util.HashMap; 28 import java.util.Map; 29 import java.util.regex.Matcher; 30 import java.util.regex.Pattern; 31 32 public class HardwareProperties { 33 private final static Pattern PATTERN_PROP = Pattern.compile( 34 "^([a-zA-Z0-9._-]+)\\s*=\\s*(.*)\\s*$"); 35 36 private final static String HW_PROP_NAME = "name"; 37 private final static String HW_PROP_TYPE = "type"; 38 private final static String HW_PROP_DEFAULT = "default"; 39 private final static String HW_PROP_ABSTRACT = "abstract"; 40 private final static String HW_PROP_DESC = "description"; 41 42 private final static String BOOLEAN_YES = "yes"; 43 private final static String BOOLEAN_NO = "no"; 44 public final static String[] BOOLEAN_VALUES = new String[] { BOOLEAN_YES, BOOLEAN_NO }; 45 public final static Pattern DISKSIZE_PATTERN = Pattern.compile("\\d+[MK]B"); 46 47 public enum ValueType { 48 INTEGER("integer"), 49 BOOLEAN("boolean"), 50 DISKSIZE("diskSize"); 51 52 private String mValue; 53 ValueType(String value)54 ValueType(String value) { 55 mValue = value; 56 } 57 getValue()58 public String getValue() { 59 return mValue; 60 } 61 getEnum(String value)62 public static ValueType getEnum(String value) { 63 for (ValueType type : values()) { 64 if (type.mValue.equals(value)) { 65 return type; 66 } 67 } 68 69 return null; 70 } 71 } 72 73 public static final class HardwareProperty { 74 private String mName; 75 private ValueType mType; 76 /** the string representation of the default value. can be null. */ 77 private String mDefault; 78 private String mAbstract; 79 private String mDescription; 80 getName()81 public String getName() { 82 return mName; 83 } 84 getType()85 public ValueType getType() { 86 return mType; 87 } 88 getDefault()89 public String getDefault() { 90 return mDefault; 91 } 92 getAbstract()93 public String getAbstract() { 94 return mAbstract; 95 } 96 getDescription()97 public String getDescription() { 98 return mDescription; 99 } 100 } 101 102 /** 103 * Parses the hardware definition file. 104 * @param file the property file to parse 105 * @param log the ISdkLog object receiving warning/error from the parsing. Cannot be null. 106 * @return the map of (key,value) pairs, or null if the parsing failed. 107 */ parseHardwareDefinitions(File file, ISdkLog log)108 public static Map<String, HardwareProperty> parseHardwareDefinitions(File file, ISdkLog log) { 109 try { 110 FileInputStream fis = new FileInputStream(file); 111 BufferedReader reader = new BufferedReader(new InputStreamReader(fis)); 112 113 Map<String, HardwareProperty> map = new HashMap<String, HardwareProperty>(); 114 115 String line = null; 116 HardwareProperty prop = null; 117 while ((line = reader.readLine()) != null) { 118 if (line.length() > 0 && line.charAt(0) != '#') { 119 Matcher m = PATTERN_PROP.matcher(line); 120 if (m.matches()) { 121 String valueName = m.group(1); 122 String value = m.group(2); 123 124 if (HW_PROP_NAME.equals(valueName)) { 125 prop = new HardwareProperty(); 126 prop.mName = value; 127 map.put(prop.mName, prop); 128 } 129 130 if (prop == null) { 131 log.warning("Error parsing '%1$s': missing '%2$s'", 132 file.getAbsolutePath(), HW_PROP_NAME); 133 return null; 134 } 135 136 if (HW_PROP_TYPE.equals(valueName)) { 137 prop.mType = ValueType.getEnum(value); 138 } else if (HW_PROP_DEFAULT.equals(valueName)) { 139 prop.mDefault = value; 140 } else if (HW_PROP_ABSTRACT.equals(valueName)) { 141 prop.mAbstract = value; 142 } else if (HW_PROP_DESC.equals(valueName)) { 143 prop.mDescription = value; 144 } 145 } else { 146 log.warning("Error parsing '%1$s': \"%2$s\" is not a valid syntax", 147 file.getAbsolutePath(), line); 148 return null; 149 } 150 } 151 } 152 153 return map; 154 } catch (FileNotFoundException e) { 155 // this should not happen since we usually test the file existence before 156 // calling the method. 157 // Return null below. 158 } catch (IOException e) { 159 log.warning("Error parsing '%1$s': %2$s.", file.getAbsolutePath(), 160 e.getMessage()); 161 } 162 163 return null; 164 } 165 166 /** 167 * Returns the index of <var>value</var> in {@link #BOOLEAN_VALUES}. 168 */ getBooleanValueIndex(String value)169 public static int getBooleanValueIndex(String value) { 170 if (BOOLEAN_YES.equals(value)) { 171 return 0; 172 } else if (BOOLEAN_NO.equals(value)) { 173 return 1; 174 } 175 176 return -1; 177 } 178 } 179