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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed 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 com.android.sdklib.internal.avd;
import com.android.sdklib.ISdkLog;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class HardwareProperties {
private final static Pattern PATTERN_PROP = Pattern.compile(
"^([a-zA-Z0-9._-]+)\\s*=\\s*(.*)\\s*$");
private final static String HW_PROP_NAME = "name";
private final static String HW_PROP_TYPE = "type";
private final static String HW_PROP_DEFAULT = "default";
private final static String HW_PROP_ABSTRACT = "abstract";
private final static String HW_PROP_DESC = "description";
private final static String BOOLEAN_YES = "yes";
private final static String BOOLEAN_NO = "no";
public final static String[] BOOLEAN_VALUES = new String[] { BOOLEAN_YES, BOOLEAN_NO };
public final static Pattern DISKSIZE_PATTERN = Pattern.compile("\\d+[MK]B");
public enum ValueType {
INTEGER("integer"),
BOOLEAN("boolean"),
DISKSIZE("diskSize"),
STRING("string");
private String mValue;
ValueType(String value) {
mValue = value;
}
public String getValue() {
return mValue;
}
public static ValueType getEnum(String value) {
for (ValueType type : values()) {
if (type.mValue.equals(value)) {
return type;
}
}
return null;
}
}
public static final class HardwareProperty {
private String mName;
private ValueType mType;
/** the string representation of the default value. can be null. */
private String mDefault;
private String mAbstract;
private String mDescription;
public HardwareProperty() {
// initialize strings to sane defaults, as not all properties will be set from
// the ini file
mName = "";
mDefault = "";
mAbstract = "";
mDescription = "";
}
public String getName() {
return mName;
}
public ValueType getType() {
return mType;
}
public String getDefault() {
return mDefault;
}
public String getAbstract() {
return mAbstract;
}
public String getDescription() {
return mDescription;
}
public boolean isValidForUi() {
// don't show display string type for now.
return mType != ValueType.STRING;
}
}
/**
* Parses the hardware definition file.
* @param file the property file to parse
* @param log the ISdkLog object receiving warning/error from the parsing. Cannot be null.
* @return the map of (key,value) pairs, or null if the parsing failed.
*/
public static Map<String, HardwareProperty> parseHardwareDefinitions(File file, ISdkLog log) {
try {
FileInputStream fis = new FileInputStream(file);
BufferedReader reader = new BufferedReader(new InputStreamReader(fis));
Map<String, HardwareProperty> map = new TreeMap<String, HardwareProperty>();
String line = null;
HardwareProperty prop = null;
while ((line = reader.readLine()) != null) {
if (line.length() > 0 && line.charAt(0) != '#') {
Matcher m = PATTERN_PROP.matcher(line);
if (m.matches()) {
String valueName = m.group(1);
String value = m.group(2);
if (HW_PROP_NAME.equals(valueName)) {
prop = new HardwareProperty();
prop.mName = value;
map.put(prop.mName, prop);
}
if (prop == null) {
log.warning("Error parsing '%1$s': missing '%2$s'",
file.getAbsolutePath(), HW_PROP_NAME);
return null;
}
if (HW_PROP_TYPE.equals(valueName)) {
prop.mType = ValueType.getEnum(value);
} else if (HW_PROP_DEFAULT.equals(valueName)) {
prop.mDefault = value;
} else if (HW_PROP_ABSTRACT.equals(valueName)) {
prop.mAbstract = value;
} else if (HW_PROP_DESC.equals(valueName)) {
prop.mDescription = value;
}
} else {
log.warning("Error parsing '%1$s': \"%2$s\" is not a valid syntax",
file.getAbsolutePath(), line);
return null;
}
}
}
return map;
} catch (FileNotFoundException e) {
// this should not happen since we usually test the file existence before
// calling the method.
// Return null below.
} catch (IOException e) {
log.warning("Error parsing '%1$s': %2$s.", file.getAbsolutePath(),
e.getMessage());
}
return null;
}
/**
* Returns the index of <var>value</var> in {@link #BOOLEAN_VALUES}.
*/
public static int getBooleanValueIndex(String value) {
if (BOOLEAN_YES.equals(value)) {
return 0;
} else if (BOOLEAN_NO.equals(value)) {
return 1;
}
return -1;
}
}
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