/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Charles Reich
*/
package com.caucho.quercus.lib;
import com.caucho.quercus.Location;
import com.caucho.quercus.annotation.ClassImplementation;
import com.caucho.quercus.annotation.Optional;
import com.caucho.quercus.annotation.This;
import com.caucho.quercus.env.*;
import com.caucho.quercus.QuercusException;
import java.util.Iterator;
/**
* Exception object facade.
*/
@ClassImplementation
public class ExceptionClass
{
private static final StringValue MESSAGE = new ConstStringValue("message");
private static final StringValue FUNCTION = new ConstStringValue("function");
private static final StringValue FILE = new ConstStringValue("file");
private static final StringValue LINE = new ConstStringValue("line");
private static final StringValue CODE = new ConstStringValue("code");
private static final StringValue TRACE = new ConstStringValue("trace");
/**
* Create a new exception API object.
*/
public static Value __construct(Env env,
@This ObjectValue value,
@Optional StringValue message,
@Optional("0") int code)
{
value.putField(env, "message", message);
value.putField(env, "code", LongValue.create(code));
Location location = env.getLocation();
if (location != null) {
if (location.getFileName() != null)
value.putField(env, "file", env.createString(location.getFileName()));
else
value.putField(env, "file", env.createString("unknown"));
value.putField(env, "line", LongValue.create(location.getLineNumber()));
}
value.putField(env, "trace", ErrorModule.debug_backtrace(env));
QuercusException e = new QuercusException();
e.fillInStackTrace();
value.putField(env, "_quercusException", env.wrapJava(e));
return value;
}
/**
* Returns a String representation of this Exception.
*/
public static Value __toString(Env env, @This ObjectValue value)
{
StringValue sb = env.createUnicodeBuilder();
sb.append("ExceptionClass[" + value.getName() + "]\n");
sb.append(getMessage(env, value));
sb.append("\n");
sb.append(getTraceAsString(env, value));
sb.append("\n");
return sb;
}
/**
* Returns the message.
*/
public static Value getMessage(Env env, @This ObjectValue obj)
{
return obj.getField(env, MESSAGE);
}
/**
* Returns the code.
*/
public static Value getCode(Env env, @This ObjectValue obj)
{
return obj.getField(env, CODE);
}
/**
* Returns the file.
*/
public static Value getFile(Env env, @This ObjectValue obj)
{
return obj.getField(env, FILE);
}
/**
* Returns the line.
*/
public static Value getLine(Env env, @This ObjectValue obj)
{
return obj.getField(env, LINE);
}
/**
* Returns the trace.
*/
public static Value getTrace(Env env, @This Value obj)
{
return obj.getField(env, TRACE);
}
/**
* Returns the trace.
*/
public static Value getTraceAsString(Env env, @This Value obj)
{
Value trace = getTrace(env, obj);
StringValue sb = env.createUnicodeBuilder();
sb.append("<trace>");
Iterator<Value> iter = trace.getValueIterator(env);
while (iter.hasNext()) {
Value value = iter.next();
sb = sb.append('\n');
sb = sb.append(value.get(FILE));
sb = sb.append(':');
sb = sb.append(value.get(LINE));
sb = sb.append(": ");
sb = sb.append(value.get(FUNCTION));
}
return sb;
}
}