/*
* 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.ide.common.resources.configuration;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Resource Qualifier for Mobile Country Code.
*/
public final class CountryCodeQualifier extends ResourceQualifier {
/** Default pixel density value. This means the property is not set. */
private final static int DEFAULT_CODE = -1;
private final static Pattern sCountryCodePattern = Pattern.compile("^mcc(\\d{3})$");//$NON-NLS-1$
private final int mCode;
public static final String NAME = "Mobile Country Code";
/**
* Creates and returns a qualifier from the given folder segment. If the segment is incorrect,
* null
is returned.
* @param segment the folder segment from which to create a qualifier.
* @return a new {@link CountryCodeQualifier} object or null
*/
public static CountryCodeQualifier getQualifier(String segment) {
Matcher m = sCountryCodePattern.matcher(segment);
if (m.matches()) {
String v = m.group(1);
int code = -1;
try {
code = Integer.parseInt(v);
} catch (NumberFormatException e) {
// looks like the string we extracted wasn't a valid number.
return null;
}
CountryCodeQualifier qualifier = new CountryCodeQualifier(code);
return qualifier;
}
return null;
}
/**
* Returns the folder name segment for the given value. This is equivalent to calling
* {@link #toString()} on a {@link CountryCodeQualifier} object.
* @param code the value of the qualifier, as returned by {@link #getCode()}.
*/
public static String getFolderSegment(int code) {
if (code != DEFAULT_CODE && code >= 100 && code <=999) { // code is 3 digit.) {
return String.format("mcc%1$d", code); //$NON-NLS-1$
}
return ""; //$NON-NLS-1$
}
public CountryCodeQualifier() {
this(DEFAULT_CODE);
}
public CountryCodeQualifier(int code) {
mCode = code;
}
public int getCode() {
return mCode;
}
@Override
public String getName() {
return NAME;
}
@Override
public String getShortName() {
return "Country Code";
}
@Override
public int since() {
return 1;
}
@Override
public boolean isValid() {
return mCode != DEFAULT_CODE;
}
@Override
public boolean hasFakeValue() {
return false;
}
@Override
public boolean checkAndSet(String value, FolderConfiguration config) {
CountryCodeQualifier qualifier = getQualifier(value);
if (qualifier != null) {
config.setCountryCodeQualifier(qualifier);
return true;
}
return false;
}
@Override
public boolean equals(Object qualifier) {
if (qualifier instanceof CountryCodeQualifier) {
return mCode == ((CountryCodeQualifier)qualifier).mCode;
}
return false;
}
@Override
public int hashCode() {
return mCode;
}
/**
* Returns the string used to represent this qualifier in the folder name.
*/
@Override
public String getFolderSegment() {
return getFolderSegment(mCode);
}
@Override
public String getShortDisplayValue() {
if (mCode != DEFAULT_CODE) {
return String.format("MCC %1$d", mCode);
}
return ""; //$NON-NLS-1$
}
@Override
public String getLongDisplayValue() {
return getShortDisplayValue();
}
}