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| package org.apache.tapestry.html; |
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| import java.io.IOException; |
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| import java.io.LineNumberReader; |
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| import java.io.Reader; |
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| import java.io.StringReader; |
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| |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.tapestry.AbstractComponent; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.IRequestCycle; |
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| public abstract class InsertText extends AbstractComponent |
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| { |
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| protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
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| { |
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| if (cycle.isRewinding())
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| return;
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| String value = getValue();
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| if (value == null)
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| return;
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| StringReader reader = null;
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| LineNumberReader lineReader = null;
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| InsertTextMode mode = getMode();
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| boolean raw = getRaw();
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| try
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| { |
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| reader = new StringReader(value);
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| lineReader = new LineNumberReader(reader);
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| int lineNumber = 0;
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| while (true)
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| { |
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| String line = lineReader.readLine();
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| if (line == null)
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| break;
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| mode.writeLine(lineNumber, line, writer, raw);
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| lineNumber++;
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| } |
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| } |
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| catch (IOException ex) |
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| { |
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| throw new ApplicationRuntimeException(HTMLMessages.textConversionError(ex), this, null,
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| ex); |
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| } |
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| finally |
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| { |
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| close(lineReader);
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| close(reader);
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| } |
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| } |
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| private void close(Reader reader)
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| { |
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| if (reader == null)
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| return;
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| try
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| { |
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| reader.close();
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| } |
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| catch (IOException e) |
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| { |
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| } |
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| } |
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| public abstract InsertTextMode getMode(); |
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| public abstract void setMode(InsertTextMode mode); |
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| public abstract String getValue(); |
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| public abstract boolean getRaw(); |
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| protected void finishLoad()
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| { |
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| setMode(InsertTextMode.BREAK);
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| } |
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| } |