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/*
* Copyright (C) 2011 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.future.usb;
/**
* A class representing a USB accessory.
*/
public final class UsbAccessory {
private final String mManufacturer;
private final String mModel;
private final String mDescription;
private final String mVersion;
private final String mUri;
/* package */ UsbAccessory(android.hardware.usb.UsbAccessory accessory) {
mManufacturer = accessory.getManufacturer();
mModel = accessory.getModel();
mDescription = accessory.getDescription();
mVersion = accessory.getVersion();
mUri = accessory.getUri();
}
/**
* Returns the manufacturer of the accessory.
*
* @return the accessory manufacturer
*/
public String getManufacturer() {
return mManufacturer;
}
/**
* Returns the model name of the accessory.
*
* @return the accessory model
*/
public String getModel() {
return mModel;
}
/**
* Returns a user visible description of the accessory.
*
* @return the accessory description
*/
public String getDescription() {
return mDescription;
}
/**
* Returns the version of the accessory.
*
* @return the accessory version
*/
public String getVersion() {
return mVersion;
}
/**
* Returns the URI for the accessory.
* This is an optional URI that might show information about the accessory
* or provide the option to download an application for the accessory
*
* @return the accessory URI
*/
public String getUri() {
return mUri;
}
private static boolean compare(String s1, String s2) {
if (s1 == null) return (s2 == null);
return s1.equals(s2);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof UsbAccessory) {
UsbAccessory accessory = (UsbAccessory)obj;
return (compare(mManufacturer, accessory.getManufacturer()) &&
compare(mModel, accessory.getModel()) &&
compare(mDescription, accessory.getDescription()) &&
compare(mVersion, accessory.getVersion()) &&
compare(mUri, accessory.getUri()));
}
return false;
}
@Override
public int hashCode() {
return ((mManufacturer == null ? 0 : mManufacturer.hashCode()) ^
(mModel == null ? 0 : mModel.hashCode()) ^
(mDescription == null ? 0 : mDescription.hashCode()) ^
(mVersion == null ? 0 : mVersion.hashCode()) ^
(mUri == null ? 0 : mUri.hashCode()));
}
@Override
public String toString() {
return "UsbAccessory[mManufacturer=" + mManufacturer +
", mModel=" + mModel +
", mDescription=" + mDescription +
", mVersion=" + mVersion +
", mUri=" + mUri + "]";
}
}
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