org.eclipse.gyrex.monitoring.internal.DiagnosticsStatusMetrics.java Source code

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Here is the source code for org.eclipse.gyrex.monitoring.internal.DiagnosticsStatusMetrics.java

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/*******************************************************************************
 * Copyright (c) 2011, 2012 AGETO Service GmbH and others.
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Contributors:
 *     Gunnar Wagenknecht - initial API and implementation
 *******************************************************************************/
package org.eclipse.gyrex.monitoring.internal;

import org.eclipse.gyrex.monitoring.metrics.MetricSet;
import org.eclipse.gyrex.monitoring.metrics.StatusMetric;

import org.eclipse.core.runtime.IStatus;

import org.apache.commons.lang.SystemUtils;
import org.apache.commons.lang.text.StrBuilder;

/**
 *
 */
public class DiagnosticsStatusMetrics extends MetricSet {

    public static final String ID = MonitoringActivator.SYMBOLIC_NAME + ".diagnostics.status";

    static String getFormattedMessage(final IStatus[] children, final int ident) {
        final StrBuilder builder = new StrBuilder();
        for (final IStatus child : children) {
            builder.appendSeparator(SystemUtils.LINE_SEPARATOR);
            builder.appendPadding(ident, ' ');
            builder.append(getSeverityText(child.getSeverity())).append(": ");
            builder.append(child.getMessage());
            if (child.getCode() != 0) {
                builder.append(" (code ").append(child.getCode()).append(")");
            }
            if (child.isMultiStatus()) {
                builder.appendNewLine();
                builder.append(getFormattedMessage(child.getChildren(), ident + 2));
            }
        }
        return builder.toString();
    }

    private static String getSeverityText(final int severity) {
        switch (severity) {
        case IStatus.OK:
            return "OK";
        case IStatus.INFO:
            return "INFO";
        case IStatus.WARNING:
            return "WARNING";
        case IStatus.ERROR:
            return "ERROR";
        case IStatus.CANCEL:
            return "CANCEL";
        default:
            return "UNKNOWN";
        }
    }

    private final StatusMetric statusMetric;

    public DiagnosticsStatusMetrics() {
        super(ID, "Collection of diagnostics status metrics",
                new StatusMetric("status", "unknown", "not initialized"));
        statusMetric = getMetric(0, StatusMetric.class);
    }

    public void setStatus(final IStatus systemStatus) {
        statusMetric.setStatus(getSeverityText(systemStatus.getSeverity()),
                getFormattedMessage(systemStatus.getChildren(), 0));
    }
}