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• 2.1.0
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• XHTMLRenderer.java

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com.bigdata.counters.render.XHTMLRenderer Maven / Gradle / Ivy

package com.bigdata.counters.render;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Field;
import java.text.DateFormat;
import java.text.Format;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.regex.Pattern;

import org.apache.log4j.Logger;

import com.bigdata.counters.CounterSet;
import com.bigdata.counters.HistoryInstrument;
import com.bigdata.counters.ICounter;
import com.bigdata.counters.ICounterNode;
import com.bigdata.counters.ICounterSet;
import com.bigdata.counters.IHistoryEntry;
import com.bigdata.counters.IServiceCounters;
import com.bigdata.counters.PeriodEnum;
import com.bigdata.counters.query.CSet;
import com.bigdata.counters.query.CounterSetSelector;
import com.bigdata.counters.query.HistoryTable;
import com.bigdata.counters.query.ICounterSelector;
import com.bigdata.counters.query.PivotTable;
import com.bigdata.counters.query.ReportEnum;
import com.bigdata.counters.query.TimestampFormatEnum;
import com.bigdata.counters.query.URLQueryModel;
import com.bigdata.counters.query.URLQueryParam;
import com.bigdata.service.Event;
import com.bigdata.service.IEventReportingService;
import com.bigdata.util.HTMLUtility;

/**
 * (X)HTML rendering of a {@link CounterSet}.
 * 
 * @todo UI widgets for regex filters, depth, correlated.
 * 
 * @todo make documentation available on the counters via click through on their
 *       name.
 * 
 * @author Bryan Thompson
 */
public class XHTMLRenderer implements IRenderer {
    
    final static private Logger log = Logger.getLogger(XHTMLRenderer.class);
    
    final public static String ps = ICounterSet.pathSeparator;

    static final private String encoding = "UTF-8";
    
    /*
     * Note: the page is valid for any of these doctypes.
     */
//    final private DoctypeEnum doctype = DoctypeEnum.html_4_01_strict
//    final private DoctypeEnum doctype = DoctypeEnum.html_4_01_transitional
    static final private DoctypeEnum doctype = DoctypeEnum.xhtml_1_0_strict;
    
    /**
     * Describes the state of the controller.
     */
    private final URLQueryModel model;

    /**
     * Selects the counters to be rendered.
     */
    private final ICounterSelector counterSelector;

    /**
     * @param model
     *            Describes the state of the controller (e.g., as parsed from
     *            the URL query parameters).
     * @param counterSelector
     *            Selects the counters to be rendered.
     */
    public XHTMLRenderer(final URLQueryModel model,
            final ICounterSelector counterSelector) {

        if (model == null)
            throw new IllegalArgumentException();

        if (counterSelector == null)
            throw new IllegalArgumentException();

        this.model = model;

        this.counterSelector = counterSelector;

    }

    /**
     * @param w
     * @throws IOException
     */
    @Override
    public void render(final Writer w) throws IOException {

        writeXmlDecl(w);
        
        writeDocType(w);
        
        writeHtml(w);
        
        writeHead(w);
        
        writeBody(w);
                
        w.write("");
        
    }
    
    protected void writeXmlDecl(final Writer w) throws IOException {
        
        w.write("\n");
        
    }
    
    /**
     * 
     * @param w
     * @throws IOException
     */
    protected void writeDocType(final Writer w) throws IOException {
        
//        if(true) return;
        
        w.write("\n");
        
    }

    /** The start html tag. */
    protected void writeHtml(final Writer w) throws IOException {
        
        w.write("");
        
    }
    
    protected void writeHead(final Writer w) throws IOException {

        w.write("");
        
        writeTitle(w);
        
        writeScripts(w);
        
        w.write("");
    }
    
    protected void writeTitle(final Writer w)  throws IOException {
        
        w.write("