blob: 55b150ed78f8d630b7578cb3345ec8373899e023 [file]
/*
* The Apache Software License, Version 1.1
*
*
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* reserved.
*
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* modification, are permitted provided that the following conditions
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*
* 1. Redistributions of source code must retain the above copyright
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*
* 2. Redistributions in binary form must reproduce the above copyright
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* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
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*
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*
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2000, Lotus
* Development Corporation., http://www.lotus.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
*
* LoggingURIResolver.java
*
*/
package org.apache.qetest.trax;
import java.util.Hashtable;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import javax.xml.transform.stream.StreamSource;
import org.apache.qetest.Logger;
import org.apache.qetest.LoggingHandler;
import org.apache.xml.utils.SystemIDResolver;
import org.xml.sax.InputSource;
//-------------------------------------------------------------------------
/**
* Implementation of URIResolver that logs all calls.
* Currently just provides default service; returns null.
* @author shane_curcuru@lotus.com
* @version $Id$
*/
public class LoggingURIResolver extends LoggingHandler implements URIResolver
{
/** No-op sets logger to default. */
public LoggingURIResolver()
{
setLogger(getDefaultLogger());
}
/**
* Ctor that calls setLogger automatically.
*
* @param l Logger we should log to
*/
public LoggingURIResolver(Logger l)
{
setLogger(l);
}
/**
* Our default handler that we pass all events through to.
*/
protected URIResolver defaultHandler = null;
/**
* Set a default handler for us to wrapper.
* Set a URIResolver for us to use.
* // Note that we don't currently have a default URIResolver,
* // so the LoggingURIResolver class will just attempt
* // to use the SystemIDResolver class instead
*
* @param default Object of the correct type to pass-through to;
* throws IllegalArgumentException if null or incorrect type
*/
public void setDefaultHandler(Object defaultU)
{
try
{
defaultHandler = (URIResolver)defaultU;
}
catch (Throwable t)
{
throw new java.lang.IllegalArgumentException("setDefaultHandler illegal type: " + t.toString());
}
}
/**
* Accessor method for our default handler.
*
* @return default (Object) our default handler; null if unset
*/
public Object getDefaultHandler()
{
return (Object)defaultHandler;
}
/** Prefixed to all logger msg output. */
public static final String prefix = "LUR:";
/**
* Counter for how many URIs we've resolved.
*/
protected int[] counters = { 0 };
/**
* Get a list of counters of all items we've logged.
* Only a single array item is returned.
*
* @return array of int counter for each item we log
*/
public int[] getCounters()
{
return counters;
}
/**
* Really Cheap-o string representation of our state.
*
* @return String of getCounters() rolled up in minimal space
*/
public String getQuickCounters()
{
return (prefix + "(" + counters[0] + ")");
}
/** Cheap-o string representation of last URI we resolved. */
protected String lastItem = NOTHING_HANDLED;
/**
* Accessor for string representation of last event we got.
* @param s string to set
*/
protected void setLastItem(String s)
{
lastItem = s;
}
/**
* Accessor for string representation of last event we got.
* @return last event string we had
*/
public String getLast()
{
return lastItem;
}
/** Expected value(s) for URIs we may resolve, default=ITEM_DONT_CARE. */
protected String[] expected = { ITEM_DONT_CARE };
/** Counter used when expected is an ordered array. */
protected int expectedCtr = 0;
/**
* Ask us to report checkPass/Fail for certain URIs we resolve.
*
* @param itemType ignored, we only do one type
* @param containsString a string to look for within whatever
* item we handle - usually checked for by seeing if the actual
* item we handle contains the containsString
*/
public void setExpected(int itemType, String containsString)
{
// Default to don't care on null
if (null == containsString)
containsString = ITEM_DONT_CARE;
expected = new String[1];
expected[0] = containsString;
}
/**
* Ask us to report checkPass/Fail for an ordered list of URIs
* we may resolve.
*
* Users can specify an array of expected URIs we should be
* resolving in order. Both the specific items and the exact
* order must occour for us to call checkPass for each URI;
* we call checkFail for any URI that doesn't match or is out
* of order. After we run off the end of the array, we
* go back to the defaul of ITEM_DONT_CARE.
* Reset by reset(), of course.
*
* @param containsStrings[] and array of items to look for in
* order: this allows you to test a stylesheet that has
* three xsl:imports, for example
*/
public void setExpected(String[] containsStrings)
{
// Default to don't care on null
if ((null == containsStrings) || (0 == containsStrings.length))
{
expected = new String[1];
expected[0] = ITEM_DONT_CARE;
}
else
{
expected = new String[containsStrings.length];
System.arraycopy(containsStrings, 0, expected, 0, containsStrings.length);
}
expectedCtr = 0;
}
/**
* Cheap-o worker method to get a string value.
* //@todo improve string return value
*
* @param i InputSource to get a string from
* @return some String representation thereof
*/
private String getString(InputSource i)
{
return i.toString();
}
/**
* Reset all items or counters we've handled.
*/
public void reset()
{
setLastItem(NOTHING_HANDLED);
counters[0] = 0;
expected = new String[1];
expected[0] = ITEM_DONT_CARE;
expectedCtr = 0;
}
/**
* Worker method to either log or call check* for this event.
* A simple way to validate for any kind of event.
*
* @param desc detail info from this kind of message
*/
protected void checkExpected(String desc, String resolvedTo)
{
// Note the order of logging is important, which is why
// we store these values and then log them later
final int DONT_CARE = 0;
final int PASS = 1;
final int FAIL = 2;
int checkResult = DONT_CARE;
String checkDesc = null;
StringBuffer extraInfo = new StringBuffer("");
Hashtable attrs = new Hashtable();
attrs.put("source", "LoggingURIResolver");
attrs.put("counters", getQuickCounters());
attrs.put("resolvedTo", resolvedTo);
String tmp = getQuickCounters() + " " + desc;
if (expectedCtr > expected.length)
{
// Sanity check: prevent AIOOBE
expectedCtr = expected.length;
extraInfo.append(getQuickCounters()
+ " error: array overbounds " + expectedCtr + "\n");
}
// Either log the exception or call checkPass/checkFail
// as requested by setExpected for this type
if (ITEM_DONT_CARE == expected[expectedCtr])
{
// We don't care about this, just log it
extraInfo.append("ITEM_DONT_CARE(" + expectedCtr + ") " + tmp + "\n");
}
else if (ITEM_CHECKFAIL == expected[expectedCtr])
{
// We shouldn't have been called here, so fail
checkResult = FAIL;
checkDesc = tmp + " was unexpected";
}
else if ((null != desc)
&& (desc.indexOf(expected[expectedCtr]) > -1))
{
// We got a warning the user expected, so pass
checkResult = PASS;
checkDesc = tmp + " matched";
// Also reset this counter
expected[expectedCtr] = ITEM_DONT_CARE;
}
else
{
// We got a warning the user didn't expect, so fail
checkResult = FAIL;
checkDesc = tmp + " did not match";
// Also reset this counter
expected[expectedCtr] = ITEM_DONT_CARE;
}
// If we have a list of expected items, increment
if (expected.length > 1)
{
expectedCtr++;
// If we run off the end, reset all expected
if (expectedCtr >= expected.length)
{
extraInfo.append("Ran off end of expected items, resetting\n");
expected = new String[1];
expected[0] = ITEM_DONT_CARE;
expectedCtr = 0;
}
}
logger.logElement(level, "loggingHandler", attrs, extraInfo);
if (PASS == checkResult)
logger.checkPass(checkDesc);
else if (FAIL == checkResult)
logger.checkFail(checkDesc);
// else - DONT_CARE is no-op
}
////////////////// Implement URIResolver //////////////////
/**
* This will be called by the processor when it encounters
* an xsl:include, xsl:import, or document() function.
*
* @param href An href attribute, which may be relative or absolute.
* @param base The base URI in effect when the href attribute was encountered.
*
* @return A non-null Source object.
*
* @throws TransformerException
*/
public Source resolve(String href, String base)
throws TransformerException
{
counters[0]++;
setLastItem("{" + base + "}" + href);
// Store the source we're about to resolve - note that the
// order of logging and calling checkExpected is important
Source resolvedSource = null;
String resolvedTo = null;
if (null != defaultHandler)
{
resolvedTo = "resolved by: " + defaultHandler;
resolvedSource = defaultHandler.resolve(href, base);
}
else
{
// Note that we don't currently have a default URIResolver,
// so the LoggingURIResolver class will just attempt
// to use the SystemIDResolver class instead
String sysId = SystemIDResolver.getAbsoluteURI(href, base);
resolvedTo = "resolved into new StreamSource(" + sysId + ")";
resolvedSource = new StreamSource(sysId);
}
// Call worker method to log out various info and then
// call check for us if needed
checkExpected(getLast(), resolvedTo);
return resolvedSource;
}
}