de.micromata.genome.logging.LogStacktraceAttribute.java Source code

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Here is the source code for de.micromata.genome.logging.LogStacktraceAttribute.java

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//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.logging;

import org.apache.commons.lang3.ArrayUtils;

/**
 * A Stacktrace.
 *
 * @author roger
 */
public class LogStacktraceAttribute extends LogAttribute {

    /**
     * The Constant serialVersionUID.
     */
    private static final long serialVersionUID = 752946809919859766L;

    /**
     * from top to down skip these package stacktraces.
     */
    private String[] skipLeadingStacktraces;

    /**
     * The stack trace elements.
     */
    private StackTraceElement[] stackTraceElements;

    /**
     * The rendered stacktrace.
     */
    private String renderedStacktrace;

    /**
     * Instantiates a new log stacktrace attribute.
     *
     * @param skipLeadingStacktraces the skip leading stacktraces
     */
    public LogStacktraceAttribute(String... skipLeadingStacktraces) {
        super(GenomeAttributeType.Stacktrace, "");
        this.skipLeadingStacktraces = (String[]) ArrayUtils.add(skipLeadingStacktraces,
                "de.micromata.genome.logging.LogStacktraceAttribute");
        stackTraceElements = new Throwable().getStackTrace();
    }

    /**
     * Instantiates a new log stacktrace attribute.
     */
    public LogStacktraceAttribute() {
        super(GenomeAttributeType.Stacktrace, "");
        stackTraceElements = new Throwable().getStackTrace();
        skipLeadingStacktraces = new String[] { "de.micromata.genome.logging.LogStacktraceAttribute" };
    }

    /**
     * Skip stacktrace.
     *
     * @param sc the sc
     * @return true, if successful
     */
    protected boolean skipStacktrace(StackTraceElement sc) {
        String l = sc.toString();
        for (String s : skipLeadingStacktraces) {
            if (l.startsWith(s) == true) {
                return true;
            }
        }
        return false;
    }

    /**
     * Render stack trace.
     */
    protected void renderStackTrace() {
        StringBuilder sb = new StringBuilder();
        boolean skippedLeading = true;
        for (int i = 0; i < this.stackTraceElements.length; i++) {
            if (skippedLeading == true && skipStacktrace(stackTraceElements[i]) == true) {
                continue;
            }
            sb.append("" + stackTraceElements[i] + "\n");
            skippedLeading = false;
        }
        renderedStacktrace = sb.toString();
    }

    @Override
    public String getValue() {
        if (renderedStacktrace == null) {
            renderStackTrace();
        }
        return renderedStacktrace;

    }

    public StackTraceElement[] getStackTraceElements() {
        return stackTraceElements;
    }

    public void setStackTraceElements(StackTraceElement[] stackTraceElements) {
        this.stackTraceElements = stackTraceElements;
    }

    public String getRenderedStacktrace() {
        return renderedStacktrace;
    }

    public void setRenderedStacktrace(String renderedStacktrace) {
        this.renderedStacktrace = renderedStacktrace;
    }
}