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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.tuscany.core.loader;
import java.io.PrintWriter;
import org.osoa.sca.annotations.Destroy;
import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Reference;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.host.monitor.ExceptionFormatter;
import org.apache.tuscany.host.monitor.FormatterRegistry;
/**
* Formats {@link org.apache.tuscany.spi.loader.LoaderException} events
*
* @version $Rev$ $Date$
*/
@EagerInit
public class LoaderExceptionFormatter implements ExceptionFormatter {
private FormatterRegistry factory;
public LoaderExceptionFormatter(@Reference FormatterRegistry factory) {
this.factory = factory;
factory.register(this);
}
public boolean canFormat(Class<?> type) {
return LoaderException.class.isAssignableFrom(type);
}
@Destroy
public void destroy() {
factory.unregister(this);
}
public PrintWriter write(PrintWriter writer, Throwable exception) {
assert exception instanceof LoaderException;
LoaderException e = (LoaderException) exception;
e.appendBaseMessage(writer);
if (e.getLine() != LoaderException.UNDEFINED) {
writer.write("\nLine: " + e.getLine() + "\n");
writer.write("Column: " + e.getColumn() + "\n");
} else {
writer.write("\n");
}
return writer;
}
}
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