/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.j2me.location;
import java.io.*;
import javax.microedition.location.*;
/**
* This class is an implementation of the <code>Landmark</code> class defined
* by the JSR-179 specification.
*/
// JAVADOC COMMENT ELIDED
public class LandmarkImpl {
// JAVADOC COMMENT ELIDED
String[] categories = new String[0];
// JAVADOC COMMENT ELIDED
int recordId = -2;
// JAVADOC COMMENT ELIDED
String storeName = null;
// JAVADOC COMMENT ELIDED
String name;
// JAVADOC COMMENT ELIDED
String description;
// JAVADOC COMMENT ELIDED
QualifiedCoordinates coordinates;
// JAVADOC COMMENT ELIDED
AddressInfo addressInfo;
// JAVADOC COMMENT ELIDED
public LandmarkImpl(String name, String description,
QualifiedCoordinates coordinates,
AddressInfo addressInfo) {
setName(name);
this.description = description;
this.coordinates = coordinates;
this.addressInfo = addressInfo;
}
// JAVADOC COMMENT ELIDED
LandmarkImpl(LandmarkImpl lm) {
this(lm.serialize(), lm.recordId, lm.storeName);
}
// JAVADOC COMMENT ELIDED
LandmarkImpl(byte[] serializedForm, int recordId, String storeName) {
try {
this.recordId = recordId;
this.storeName = storeName;
DataInputStream stream = new
DataInputStream(new ByteArrayInputStream(serializedForm));
if (stream.readBoolean()) {
int field;
addressInfo = new AddressInfo();
while ((field = stream.readInt()) != 0) {
addressInfo.setField(field, stream.readUTF());
}
}
if (stream.readBoolean()) {
float verticalAccuracy = stream.readFloat();
float horizontalAccuracy = stream.readFloat();
float altitude = stream.readFloat();
double longitude = stream.readDouble();
double latitude = stream.readDouble();
coordinates = new QualifiedCoordinates(latitude, longitude,
altitude,
horizontalAccuracy,
verticalAccuracy);
}
if (stream.readBoolean()) {
description = stream.readUTF();
}
if (stream.readBoolean()) {
name = stream.readUTF();
}
int categoryCount = stream.readInt();
categories = new String[categoryCount];
for (int iter = 0; iter < categoryCount; iter++) {
if (stream.readBoolean()) {
categories[iter] = stream.readUTF();
}
}
stream.close();
} catch (IOException err) {
// this should never occur
err.printStackTrace();
}
}
// JAVADOC COMMENT ELIDED
byte[] serialize() {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream(100);
DataOutputStream data = new DataOutputStream(stream);
if (addressInfo != null) {
data.writeBoolean(true);
for (int i = AddressInfo.EXTENSION;
i <= AddressInfo.PHONE_NUMBER; i++) {
String info = addressInfo.getField(i);
if (info != null) {
data.writeInt(i);
data.writeUTF(info);
}
}
data.writeInt(0);
} else {
data.writeBoolean(false);
}
if (coordinates == null) {
data.writeBoolean(false);
} else {
data.writeBoolean(true);
data.writeFloat(coordinates.getVerticalAccuracy());
data.writeFloat(coordinates.getHorizontalAccuracy());
data.writeFloat(coordinates.getAltitude());
data.writeDouble(coordinates.getLongitude());
data.writeDouble(coordinates.getLatitude());
}
writePossiblyNull(data, description);
writePossiblyNull(data, name);
data.writeInt(categories.length);
for (int iter = 0; iter < categories.length; iter++) {
writePossiblyNull(data, categories[iter]);
}
byte[] returnVal = stream.toByteArray();
data.close();
return returnVal;
} catch (IOException err) {
// this should never occur
err.printStackTrace();
return null;
}
}
// JAVADOC COMMENT ELIDED
private void writePossiblyNull(DataOutputStream data, String value)
throws IOException {
if (value == null) {
data.writeBoolean(false);
} else {
data.writeBoolean(true);
data.writeUTF(value);
}
}
// JAVADOC COMMENT ELIDED
int getRecordId() {
return recordId;
}
// JAVADOC COMMENT ELIDED
void setRecordId(int recordId) {
this.recordId = recordId;
}
// JAVADOC COMMENT ELIDED
String getStoreName() {
return storeName;
}
// JAVADOC COMMENT ELIDED
void setStoreName(String storeName) {
this.storeName = storeName;
}
// JAVADOC COMMENT ELIDED
String[] getCategories() {
return categories;
}
// JAVADOC COMMENT ELIDED
void removeCategories() {
categories = new String[0];
}
// JAVADOC COMMENT ELIDED
void addCategory(String category) {
String[] categories = new String[this.categories.length + 1];
System.arraycopy(this.categories, 0, categories, 0,
this.categories.length);
this.categories = categories;
categories[categories.length - 1] = category;
}
// JAVADOC COMMENT ELIDED
void removeCategory(String category) {
if (category == null) {
category = "";
}
String[] categories = new String[this.categories.length - 1];
int count = 0;
for (int iter = 0; iter < this.categories.length; iter++) {
if (!category.equals(this.categories[iter])) {
if (count == categories.length) {
// the category to remove is not within the array
return;
}
categories[count] = this.categories[iter];
count++;
}
}
this.categories = categories;
}
// JAVADOC COMMENT ELIDED
boolean isInCategory(String category) {
if (category == null) {
category = "";
}
for (int iter = 0; iter < categories.length; iter++) {
if (category.equals(categories[iter])) {
return true;
}
}
return false;
}
// JAVADOC COMMENT ELIDED
public String getName() {
return name;
}
// JAVADOC COMMENT ELIDED
public String getDescription() {
return description;
}
// JAVADOC COMMENT ELIDED
public QualifiedCoordinates getQualifiedCoordinates() {
return coordinates;
}
// JAVADOC COMMENT ELIDED
public AddressInfo getAddressInfo() {
return addressInfo;
}
// JAVADOC COMMENT ELIDED
public void setName(String name) {
if (name == null) {
throw new NullPointerException();
}
this.name = name;
}
// JAVADOC COMMENT ELIDED
public void setDescription(String description) {
this.description = description;
}
// JAVADOC COMMENT ELIDED
public void setQualifiedCoordinates(QualifiedCoordinates coordinates) {
this.coordinates = coordinates;
}
// JAVADOC COMMENT ELIDED
public void setAddressInfo(AddressInfo addressInfo) {
this.addressInfo = addressInfo;
}
// JAVADOC COMMENT ELIDED
String asString() {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < categories.length; i++) {
if (i > 0) buf.append("; ");
buf.append(categories[i]);
}
String coordinates;
if (this.coordinates != null) {
coordinates = "Lat: " + this.coordinates.getLatitude() +
" Lon: " + this.coordinates.getLongitude();
} else {
coordinates = "null";
}
return "Landmark: { storeName = " + storeName +
" recordId = " + recordId +
" name = " + name +
" description = " + description +
" coordinates = " + coordinates +
" addressInfo = " + addressInfo +
" categories = " + buf.toString() + " }";
}
// JAVADOC COMMENT ELIDED
public boolean equals(Object o) {
if (!(o instanceof LandmarkImpl)) {
return false;
}
if (this == o) {
return true;
}
LandmarkImpl lm = (LandmarkImpl)o;
boolean idEquals = recordId == lm.recordId;
boolean storeEquals = (storeName == lm.storeName) ||
((storeName != null) && storeName.equals(lm.storeName));
return idEquals && storeEquals;
}
}
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