/**
* Copyright (C) 2012 - 101loops.com <dev@101loops.com>
*
* 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.crashnote.core.collect.impl;
import com.crashnote.core.collect.BaseCollector;
import com.crashnote.core.config.CrashConfig;
import com.crashnote.core.model.data.DataArray;
import com.crashnote.core.model.data.DataObject;
/**
* Collector for serializing a {@link Throwable} into a structured form.
*/
public class ExcpCollector
extends BaseCollector {
// SETUP ======================================================================================
public <C extends CrashConfig> ExcpCollector(final C config) {
super(config);
}
// INTERFACE ==================================================================================
public DataArray collect(final Throwable th) {
if (th == null) return null;
final DataArray excps = createDataArr();
{
Throwable t = th;
while (t != null) {
final DataObject excp = createDataObj();
{
excp.put("message", simplifyMessage(t.getMessage()));
excp.put("class", t.getClass().getName());
final DataArray trace = createDataArr();
for (final StackTraceElement element : t.getStackTrace()) {
final int line = element.getLineNumber();
final String method = element.getMethodName();
final String file = element.getFileName();
final String cls = element.getClassName();
trace.add(cls + ':' + file + ":" + method + ":" + line);
}
excp.put("stacktrace", trace);
}
excps.add(excp);
t = t.getCause();
}
}
if (excps.size() == 0) return null;
return excps;
}
// INTERNALS ==================================================================================
private String simplifyMessage(final String msg) {
if (msg == null) return msg;
else {
final int idx = msg.indexOf("; nested exception is");
return idx != -1 ? msg.substring(0, idx) : msg;
}
}
}