org.cipango.littleims.pcscf.oam.browser.DebugSessionPanel.java Source code

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Here is the source code for org.cipango.littleims.pcscf.oam.browser.DebugSessionPanel.java

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// ========================================================================
// Copyright 2009 NEXCOM Systems
// ------------------------------------------------------------------------
// 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 org.cipango.littleims.pcscf.oam.browser;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxFallbackLink;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.Panel;
import org.cipango.ims.oam.util.HideableLink;
import org.cipango.littleims.pcscf.subscription.debug.DebugSession;

public class DebugSessionPanel extends Panel {
    private String _debugId;
    private File _file;
    private boolean _viewLog = false;

    @SuppressWarnings("unchecked")
    public DebugSessionPanel(String id, final DebugSession debugSession) {
        super(id);
        add(new Label("debugId", debugSession.getDebugId()));
        add(new Label("startTrigger", debugSession.getStartTriggerAsString()));
        add(new Label("stopTrigger", debugSession.getStoptTriggerAsString()));
        add(new HideableLink("hideLink", this));
        _debugId = debugSession.getDebugId();
        refreshLog();

        AjaxFallbackLink viewLink = new AjaxFallbackLink("viewLog") {

            @Override
            public void onClick(AjaxRequestTarget target) {
                _viewLog = true;
                refreshLog();
                Component hideLink = getParent().get("hideLog");
                hideLink.setVisible(true);
                Component refresh = new Label("view", "Refresh log").setOutputMarkupId(true);
                replace(refresh);
                if (target != null) {
                    target.addComponent(getParent().get("content"));
                    target.addComponent(hideLink);
                    target.addComponent(refresh);
                }
            }
        };
        add(viewLink);
        viewLink.setOutputMarkupId(true);
        viewLink.add(new Label("view", "View log").setOutputMarkupId(true));

        AjaxFallbackLink hideLink = new AjaxFallbackLink("hideLog") {

            @Override
            public void onClick(AjaxRequestTarget target) {
                _viewLog = false;
                setVisible(false);
                Component refresh = new Label("view", "View log").setOutputMarkupId(true);
                ((WebMarkupContainer) getParent().get("viewLog")).replace(refresh);
                refreshLog();
                if (target != null) {
                    target.addComponent(getParent().get("content"));
                    target.addComponent(this);
                    target.addComponent(refresh);
                }
            }
        };
        add(hideLink);
        hideLink.setVisible(false);
        hideLink.setOutputMarkupId(true);
        hideLink.setOutputMarkupPlaceholderTag(true);
    }

    private void refreshLog() {
        String content;
        if (_file == null)
            _file = new File(System.getProperty("jetty.home") + "/logs/" + _debugId + ".log");
        if (!_file.exists())
            content = "No logs found";
        else if (_viewLog) {
            try {
                InputStream is = new FileInputStream(_file);
                ByteArrayOutputStream os = new ByteArrayOutputStream();
                int read;
                byte[] b = new byte[512];
                while ((read = is.read(b)) != -1)
                    os.write(b, 0, read);
                content = new String(os.toByteArray());
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                content = e.toString();
            }

        } else {
            content = "Logs found";
        }
        addOrReplace(new Label("content", content).setOutputMarkupId(true));
    }
}