com.izforge.izpack.util.os.WrappedNativeLibException Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2005 Klaus Bartz
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.util.os;
import com.coi.tools.os.win.NativeLibException;
import com.izforge.izpack.LocaleDatabase;
/**
* This class allows it to define error messages for NativeLibException s in the
* IzPack locale files. The getMessage methode searches in the current langpack for entries which
* are corresponding to that one which are received from native part. If the langpack do not contain
* the entry, the resource boundle is used.
*
* @author Klaus Bartz
*/
public class WrappedNativeLibException extends Exception
{
private static final long serialVersionUID = 3257562893309720112L;
/**
* The packs locale database.
*/
protected static LocaleDatabase langpack = null;
/**
* Default constructor.
*/
public WrappedNativeLibException()
{
super();
}
/**
* @param message
*/
public WrappedNativeLibException(String message)
{
super(message);
}
/**
* @param cause
*/
public WrappedNativeLibException(Throwable cause)
{
super(cause);
}
/**
* @param message
* @param cause
*/
public WrappedNativeLibException(String message, Throwable cause)
{
super(message, cause);
}
/*
* (non-Javadoc)
*
* @see java.lang.Throwable#getMessage()
*/
public String getMessage()
{
StringBuffer retval = new StringBuffer();
boolean next = false;
boolean ok = false;
if (getCause() instanceof NativeLibException)
{
NativeLibException nle = (NativeLibException) getCause();
if (langpack != null)
{
while (true)
{
if (nle.getLibMessage() != null)
{
String val = (String) langpack.get("NativeLibException."
+ nle.getLibMessage());
if (val == null)
{
break;
}
retval.append(val);
next = true;
}
else if (nle.getLibErr() != 0)
{
String val = (String) langpack.get("NativeLibException.libErrNumber."
+ Integer.toString(nle.getLibErr()));
if (val == null)
{
break;
}
if (next)
{
retval.append("\n");
}
next = true;
retval.append(val);
}
if (nle.getOsErr() != 0)
{
String val = langpack
.get("NativeLibException.libInternal.OsErrNumPraefix")
+ Integer.toString(nle.getOsErr());
if (val == null)
{
break;
}
if (next)
{
retval.append("\n");
}
next = true;
retval.append(val);
}
if (nle.getOsMessage() != null)
{
String val = langpack
.get("NativeLibException.libInternal.OsErrStringPraefix")
+ nle.getOsMessage();
if (val == null)
{
break;
}
if (next)
{
retval.append("\n");
}
next = true;
retval.append(val);
}
ok = true;
break;
}
}
if (ok && retval.length() > 0)
{
return (nle.reviseMsgWithArgs(retval.toString()));
}
else
{
return (nle.getMessage());
}
}
else
{
return (super.getMessage());
}
}
/**
* Returns the langpack.
*
* @return Returns the langpack.
*/
public static LocaleDatabase getLangpack()
{
return langpack;
}
/**
* Sets the langpack to the given locale database.
*
* @param langpack the langpack to set.
*/
public static void setLangpack(LocaleDatabase langpack)
{
WrappedNativeLibException.langpack = langpack;
}
}