/*
*
*
* 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.midp.io.j2me.mms;
// Classes
import com.sun.midp.i3test.TestCase;
import com.sun.midp.io.j2me.sms.BinaryObject;
import com.sun.midp.io.j2me.sms.TextObject;
import com.sun.midp.main.Configuration;
import javax.microedition.io.Connector;
import javax.wireless.messaging.Message;
import javax.wireless.messaging.MessageConnection;
import javax.wireless.messaging.MessagePart;
import javax.wireless.messaging.MultipartMessage;
// Exceptions
import java.io.IOException;
import javax.wireless.messaging.SizeExceededException;
/**
* Tests if the number of transport-layer data segments is computed correctly.
*/
public class TestMMSNumberOfSegments extends TestCase implements Runnable {
/** The fully qualified name of this test. */
private final String TEST_NAME = this.getClass().getName();
/** The device ID ("phone number") of the recipient. */
private final String MMS_TO_DEVICE_ID = "+123456";
/** The application ID of the recipient. */
private final String MMS_TO_APP_ID = "com.sun.mmstest";
/** The MMS address to which the message will be sent. */
private final String MMS_TO_ADDRESS =
"mms://" + MMS_TO_DEVICE_ID + ":" + MMS_TO_APP_ID;
/** The device ID ("phone number") of the sender. */
private final String MMS_FROM_DEVICE_ID = "+654321";
/** The application ID of the sender. */
private final String MMS_FROM_APP_ID = "com.sun.mmssender";
/** The MMS address from which the message will be sent. */
private final String MMS_FROM_ADDRESS =
"mms://" + MMS_FROM_DEVICE_ID + ":" + MMS_FROM_APP_ID;
/** The MMS client address. */
private final String MMS_CLIENT_ADDRESS =
"mms://" + ":" + MMS_TO_APP_ID;
/** The maximum size of a fragment. */
private final int MAX_FRAGMENT_SIZE = 1200;
/** The maximum number of bytes permitted in an MMS message (30k). */
private final int MAX_TOTAL_SIZE = 30 * 1024;
/** The MMS connection. */
private MessageConnection con = null;
/** Test passed/failed flag. */
private boolean passed = false;
/**
* Set up the physical connection.
*/
void setUp() {
try {
createClientConnection(MMS_CLIENT_ADDRESS);
} catch (IOException ioe) {
System.out.println(TEST_NAME + " set-up failed:");
ioe.printStackTrace();
}
}
/**
* Compute transport-layer segment counts for varying message lengths.
*/
public void run() {
try {
// Make sure that an SMS text object can't be used here.
String smsAddress = "sms://+5551111:1234";
Message smsMessage = new TextObject(smsAddress);
int segs = con.numberOfSegments(smsMessage);
if (segs != 0) {
throw new IllegalArgumentException(
"TextMessage cannot be used in MMS connection " +
"(Segments cannot be computed.).");
}
// Make sure that an SMS binary object can't be used here.
smsMessage = new BinaryObject(smsAddress);
segs = con.numberOfSegments(smsMessage);
if (segs != 0) {
throw new IllegalArgumentException(
"BinaryMessage cannot be used in MMS connection " +
"(Segments cannot be computed.).");
}
// Lower bounds test: This should not fail.
testMessageLengthOf(0);
// The following message sizes should not fail:
testMessageLengthOf(1);
testMessageLengthOf(MAX_FRAGMENT_SIZE - 1);
testMessageLengthOf(MAX_FRAGMENT_SIZE);
testMessageLengthOf(MAX_FRAGMENT_SIZE + 1);
testMessageLengthOf(MAX_TOTAL_SIZE - 1);
testMessageLengthOf(MAX_TOTAL_SIZE);
// Upper bounds test: This should fail.
try {
testMessageLengthOf(MAX_TOTAL_SIZE + 1);
} catch (SizeExceededException see) {
// ignore
}
closeConnection();
passed = true;
assertTrue("Indicate that the test passed.", passed);
} catch (Exception e) {
// Test failure!
e.printStackTrace();
}
}
/**
* Provide clean-up services, following the run of this test.
*/
void cleanUp() {
closeConnection();
}
/**
* Create and open an MMS connection.
*
* @param clientAddress The MMS address of the client that will receive the
* message.
*/
private void createClientConnection(String clientAddress)
throws IOException {
con = (MessageConnection)Connector.open(clientAddress);
}
/**
* Create a message of the given length. Then compute both the actual and
* test segment counts required to send that message. If there is a
* difference between the counts, flag this as a problem.
*
* @param msgLen The total number of bytes in the message.
*/
private void testMessageLengthOf(int msgLen)
throws SizeExceededException, IOException {
// Create the message content.
StringBuffer sb = new StringBuffer(msgLen);
for (int i = 0; i < msgLen; i++) {
sb.append('x');
}
String mmsContent = sb.toString();
// Create an MMS multipart object and compute its segment count.
MultipartMessage mm =
createCompleteMessage(MMS_TO_ADDRESS, MMS_FROM_ADDRESS,
mmsContent.getBytes());
int segs = con.numberOfSegments(mm);
// Perform an independent segment computation for comparison.
byte[] msgBytes = ((MultipartObject)mm).getAsByteArray();
int compareSegs = numberOfMMSSegments(msgBytes);
// Bail out if there are discrepancies.
if (segs < compareSegs) {
throw new IllegalArgumentException("Actual segment count of " + segs
+ " is lower than comparison count of " + compareSegs + ".");
} else if (segs > compareSegs) {
throw new IllegalArgumentException("Actual segment count of " + segs
+ " is higher than comparison count of " + compareSegs + ".");
}
}
/**
* Create the MMS message to be sent.
*
* @param toAddress The recipient's MMS address.
* @param fromAddress The sender's MMS address.
* @param content The payload to be sent.
*
* @return The <code>MultipartMessage</code> that was created for the
* supplied content.
*/
private MultipartMessage createCompleteMessage(String toAddress,
String fromAddress, byte[] content) throws SizeExceededException {
// The MIME type for this message.
String mimeType = "mms:";
// The unique content ID.
String contentID = "message1";
// No content location.
String contentLocation = null;
// No encoding.
String encoding = null;
MessagePart part = new MessagePart(content, 0, content.length,
mimeType, contentID, contentLocation, encoding);
MultipartObject mm = new MultipartObject(toAddress);
mm.addMessagePart(part);
mm.setFromAddress(fromAddress);
return mm;
}
/**
* Compute the number of segments required to send the message. This will be
* matched against the number of segments computed by the actual code.
*
* @param msgBuffer The payload to be sent.
*
* @return The number of transport-layer segments required to send the
* message.
*/
int numberOfMMSSegments(byte msgBuffer[]) {
/** The maximum fragment size for each segment to be sent. */
final int FRAGMENT_SIZE = 1200;
/** The actual fragment size. */
int fragmentSize = FRAGMENT_SIZE;
/** Extra header size for concatenated messages. */
int headerSize = 7;
/** The number of segments required to send the message. */
int segments = 0;
if (msgBuffer == null) {
return 1;
}
int msgLen = msgBuffer.length;
if (msgLen < FRAGMENT_SIZE) {
segments = 1;
} else {
fragmentSize = fragmentSize - headerSize;
segments = (msgLen + fragmentSize - 1) / fragmentSize;
}
return segments;
}
/**
* Close the MMS connection.
*/
private void closeConnection() {
try {
con.close();
} catch (IOException ioe) {
// Fail silently.
} catch (Exception e) {
// Fail silently.
}
}
/**
* Main entry point.
*/
public void runTests() {
setUp();
declare(TEST_NAME);
run();
cleanUp();
}
}
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