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API that allows Java applications to interface with IMS Connect
/**
* File: XmlParser.java
* ==========================================================================
* Licensed Material - Property of IBM
*
* IBM Confidential
*
* OCO Source Materials
*
* 5655-TDA
*
* (C) Copyright IBM Corp. 2011, 2014 All Rights Reserved.
*
* The source code for this program is not published or
* otherwise divested of its trade secrets, irrespective
* of what has been deposited with the U.S. Copyright
* Office.
*
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with
* IBM Corp.
* ===========================================================================
*/
package com.ibm.ims.connect;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import java.util.logging.*;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.InputSource;
import org.xml.sax.SAXParseException;
/**
* @author kevin
*
*/
public class XmlParser
{
private Logger logger;
public XmlParser()
{
logger = Logger.getLogger("com.ibm.ims.connect");
}
/*
* (non-Javadoc)
*
*/
public void parseXml(Type2CmdResponse aType2CmdRsp, byte[] aParsedOutDataByteArray, String anImsConnectCodepage) throws ImsConnectApiException
{
if (logger.isLoggable(ApiProperties.TRACE_LEVEL_ENTRY_EXIT))
logger.finer("--> XmlParser.parseXml(Type2CmdResponse aType2CmdRsp, byte[] aParsedOutDataByteArray, String anImsConnectCodepage)");
/////All the below mentioned workaround has been revoed for moved to applyWorkaroundToResponseByteArray
///// workaround code to change \"skipb=\" to \" skipb=\" (insert a blank space after the first quote in the string \"skipb=\" wherever found
///// workaround code to change \"key=\" to \" key=\" (insert a blank space after the first quote in the string \"key=\" wherever found
///// workaround code to change \"align=\" to \" align=\" (insert a blank space after the first quote in the string \"align=\" wherever found
///// workaround code to change \"len=\" to \" len=\" (insert a blank space after the first quote in the string \"len=\" wherever found
///// workaround code to change "< " to "<" (as in < xmlvsn> to - remove a blank space after the '<' wherever found
///// workaround code to remove any binary 0's or 1's found - it's a temporary workaround and should be removed as soon as all of the problems in Connect and IMS are fixed
// int i = 0, j = 0, k = 0;
// int byteArrayLength = cleanedUpResponseByteArray.length;
// while(i < byteArrayLength)
// {
// if((cleanedUpResponseByteArray[i] == (byte) 0x00) || (cleanedUpResponseByteArray[i] == (byte) 0x01))
// {
// int cleanedUpResponseByteArrayLength = cleanedUpResponseByteArray.length - 1;
// byte[] newCleanedUpResponseByteArray = new byte[cleanedUpResponseByteArrayLength];
// System.arraycopy(cleanedUpResponseByteArray, 0, newCleanedUpResponseByteArray, 0, i);
// System.arraycopy(cleanedUpResponseByteArray, i+1, newCleanedUpResponseByteArray, i, cleanedUpResponseByteArrayLength - i);
// k = i + j++;
//// System.out.println("\"" + cleanedUpResponseByteArray[i] + "\" removed from response byte array at offset " + k + " in response message");
// cleanedUpResponseByteArray = newCleanedUpResponseByteArray.clone();
// byteArrayLength = cleanedUpResponseByteArray.length;
// }
// else
// {
// i++;
// j = 0;
// }
// }
///// end workaround
/////// debug println
// System.out.println("cleanedUpResponseByteArray:");
// System.out.println(ResponseProcessor.formatBufferForTracing(cleanedUpResponseByteArray, ApiProperties.DEFAULT_CODEPAGE_EBCDIC_US));
/////// end debug println
// byte[] cleanedUpResponseByteArray = applyWorkaroundToResponseByteArray(aParsedOutDataByteArray,anImsConnectCodepage);
// InputStream inStrm = new ByteArrayInputStream(cleanedUpResponseByteArray);
InputStream inStrm = new ByteArrayInputStream(aParsedOutDataByteArray);
SAXParser saxParser = null;
try
{
SAXParserFactory factory = SAXParserFactory.newInstance();
saxParser = factory.newSAXParser();
MyDefaultHandler handler = new MyDefaultHandler();
InputSource inSrc = new InputSource(inStrm);
inSrc.setSystemId(this.getClass().getClassLoader().getResource("imsout.dtd").toString()); // modified to point to DTD in API JAR file
handler.setMyT2CmdRsp(aType2CmdRsp);
saxParser.parse(inSrc, handler);
}
catch(SAXParseException spe)
{
StringBuffer sb = new StringBuffer( spe.toString() );
sb.append("\n Line number: " + spe.getLineNumber());
sb.append("\nColumn number: " + spe.getColumnNumber() );
sb.append("\n Public ID: " + spe.getPublicId() );
sb.append("\n System ID: " + spe.getSystemId() + "\n");
//System.out.println( sb.toString() );
String errMsg = ImsConnectErrorMessage.getString(ImsConnectErrorMessage.HWS0044E,
new Object[] {sb.toString()});
ImsConnectApiException e = new ImsConnectApiException(ImsConnectErrorMessage.HWS0044E, errMsg);
if (logger.isLoggable(ApiProperties.TRACE_LEVEL_EXCEPTION))
logger.severe(" Exception caught in XmlParser.parseXml(Type2CmdResponse aType2CmdRsp, byte[] aParsedOutDataByteArray, String anImsConnectCodepage): [" + sb.toString() + "]");
throw e;
}
catch (Throwable e)
{
String errMsg = ImsConnectErrorMessage.getString(
ImsConnectErrorMessage.HWS0001E, new Object[] {ImsConnectErrorMessage.getExceptionMessage(e) });
ImsConnectApiException e1 = new ImsConnectApiException(
ImsConnectErrorMessage.HWS0001E, errMsg);
if (logger.isLoggable(ApiProperties.TRACE_LEVEL_EXCEPTION))
logger.severe(" Exception thrown in parseXml(Type2CmdResponse aType2CmdRsp, byte[] aParsedOutDataByteArray, String anImsConnectCodepage). Exception thrown was: " + e1.toString());
throw e1;
}
finally
{
if (logger.isLoggable(ApiProperties.TRACE_LEVEL_ENTRY_EXIT))
logger.finer("<-- XmlParser.parseXml(Type2CmdResponse aType2CmdRsp, byte[] aParsedOutDataByteArray, String anImsConnectCodepage)");
}
}
private byte[] applyWorkaroundToResponseByteArray(byte[] aParsedOutDataByteArray, String anImsConnectCodepage) throws ImsConnectApiException
{
if (logger.isLoggable(ApiProperties.TRACE_LEVEL_ENTRY_EXIT))
logger.finer("--> XmlParser.applyWorkaroundToResponseByteArray(byte[] aParsedOutDataByteArray, String aBadString, String aReplaceString, String anImsConnectCodepage)");
String responseString = null;
String cleanedUpResponseString = null;
byte[] cleanedUpResponseByteArray = null;
List badString = Arrays.asList("\"skipb=\"","\"key=\"","\"align=\"","\"len=\"","< ");
List replacementString = Arrays.asList("\" skipb=\"","\" key=\"","\" align=\"","\" len=\"","<");
try
{
responseString = new String (aParsedOutDataByteArray, anImsConnectCodepage);
for(int i =0; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy