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| package org.apache.tapestry.html; |
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| import java.util.Collections; |
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| import java.util.Iterator; |
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| import java.util.List; |
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| import java.util.Properties; |
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| import java.util.StringTokenizer; |
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| import org.apache.tapestry.BaseComponent; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.IRender; |
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| import org.apache.tapestry.IRequestCycle; |
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| import org.apache.tapestry.web.WebUtils; |
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| public abstract class RequestDisplay extends BaseComponent |
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| { |
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| public void renderSystemProperties(IMarkupWriter writer)
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| { |
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| Properties p = System.getProperties();
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| String pathSeparator = p.getProperty("path.separator");
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| writer.begin("div");
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| writer.attribute("class", "described-object-title");
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| writer.print("JVM System Properties");
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| writer.end();
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| writer.println();
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| writer.begin("table");
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| writer.attribute("class", "described-object");
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| Iterator i = WebUtils.toSortedList(p.keys()).iterator();
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| while (i.hasNext())
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| { |
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| String key = (String) i.next();
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| String value = p.getProperty(key);
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| renderKeyAndValue(writer, key, value, pathSeparator);
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| } |
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| writer.end();
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| } |
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| private void renderKeyAndValue(IMarkupWriter writer, String key, String value,
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| String pathSeparator) |
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| { |
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| String[] values = split(key, value, pathSeparator);
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| for (int i = 0; i < values.length; i++)
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| { |
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| writer.begin("tr");
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| writer.begin("th");
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| if (i == 0)
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| writer.print(key);
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| writer.end();
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| writer.begin("td");
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| writer.print(values[i]);
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| writer.end("tr");
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| writer.println();
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| } |
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| } |
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| private String[] split(String key, String value, String pathSeparator)
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| { |
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| if (!key.endsWith(".path"))
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| return new String[]
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| { value }; |
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| StringTokenizer tokenizer = new StringTokenizer(value, pathSeparator);
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| List values = Collections.list(tokenizer);
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| return (String[]) values.toArray(new String[values.size()]);
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| } |
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| public IRender getSystemPropertiesRenderer()
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| { |
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| return new IRender()
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| { |
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| public void render(IMarkupWriter writer, IRequestCycle cycle)
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| { |
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| renderSystemProperties(writer);
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| } |
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| }; |
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| } |
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| } |