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| package org.apache.tapestry.markup; |
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| |
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| import java.io.PrintWriter; |
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| import java.util.ArrayList; |
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| import java.util.List; |
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| |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.hivemind.util.Defense; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.NestedMarkupWriter; |
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| public class MarkupWriterImpl implements IMarkupWriter |
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| { |
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| private PrintWriter _writer; |
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| private MarkupFilter _filter; |
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| private boolean _openTag = false; |
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| private boolean _emptyTag = false; |
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| private String _contentType; |
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| private List _activeElementStack; |
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| |
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| public MarkupWriterImpl(String contentType, PrintWriter writer, MarkupFilter filter)
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| { |
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| Defense.notNull(contentType, "contentType");
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| Defense.notNull(writer, "writer");
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| Defense.notNull(filter, "filter");
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| _contentType = contentType;
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| _writer = writer;
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| _filter = filter;
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| } |
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| |
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| public void attribute(String name, int value)
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| { |
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| checkTagOpen();
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| _writer.print(' ');
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| _writer.print(name);
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| _writer.print("=\"");
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| _writer.print(value);
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| _writer.print('"');
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| } |
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| public void attribute(String name, boolean value)
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| { |
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| checkTagOpen();
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| _writer.print(' ');
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| _writer.print(name);
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| _writer.print("=\"");
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| _writer.print(value);
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| _writer.print('"');
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| } |
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| public void attribute(String name, String value)
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| { |
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| attribute(name, value, false);
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| } |
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| public void attribute(String name, String value, boolean raw)
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| { |
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| checkTagOpen();
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| _writer.print(' ');
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| _writer.print(name);
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| _writer.print("=\"");
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| if (value != null)
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| { |
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| char[] data = value.toCharArray();
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| maybePrintFiltered(data, 0, data.length, raw, true);
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| } |
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| _writer.print('"');
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| } |
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| private void maybePrintFiltered(char[] data, int offset, int length, boolean raw,
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| boolean isAttribute) |
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| { |
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| if (data == null || length <= 0)
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| return;
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| if (raw)
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| { |
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| _writer.write(data, offset, length);
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| return;
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| } |
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| _filter.print(_writer, data, offset, length, isAttribute);
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| } |
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| public void attributeRaw(String name, String value)
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| { |
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| attribute(name, value, true);
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| } |
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11023
| public void begin(String name)
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| { |
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| if (_openTag)
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3008
| closeTag();
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| push(name);
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11023
| _writer.print('<');
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| _writer.print(name);
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11023
| _openTag = true;
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| _emptyTag = false;
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| } |
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| public void beginEmpty(String name)
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| { |
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| if (_openTag)
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| closeTag();
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| _writer.print('<');
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| _writer.print(name);
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| _openTag = true;
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| _emptyTag = true;
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| } |
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| public boolean checkError()
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| { |
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| return _writer.checkError();
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| } |
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| public void close()
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| { |
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| if (_openTag)
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| closeTag();
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| while (!stackEmpty())
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| { |
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| _writer.print("</");
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| _writer.print(pop());
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| _writer.print('>');
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| } |
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| _writer.close();
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| _writer = null;
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| _filter = null;
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| _activeElementStack = null;
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| } |
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11802
| public void closeTag()
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| { |
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| if (_emptyTag)
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| _writer.print('/');
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| _writer.print('>');
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| _openTag = false;
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| _emptyTag = false;
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| } |
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| public void comment(String value)
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| { |
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| if (_openTag)
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| closeTag();
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| _writer.print("<!-- ");
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| _writer.print(value);
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| _writer.println(" -->");
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| } |
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5018
| public void end()
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| { |
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| if (_openTag)
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| closeTag();
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| if (stackEmpty())
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| throw new ApplicationRuntimeException(MarkupMessages.endWithEmptyStack());
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| _writer.print("</");
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| _writer.print(pop());
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| _writer.print('>');
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| } |
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| public void end(String name)
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| { |
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3039
| if (_openTag)
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| closeTag();
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| if (_activeElementStack == null || !_activeElementStack.contains(name))
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| throw new ApplicationRuntimeException(MarkupMessages.elementNotOnStack(
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| name, |
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| _activeElementStack)); |
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3038
| while (true)
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| { |
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| String tagName = pop();
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| _writer.print("</");
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| _writer.print(tagName);
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| _writer.print('>');
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| if (tagName.equals(name))
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| break;
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| } |
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| } |
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0
| public void flush()
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| { |
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| _writer.flush();
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| } |
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| |
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| public NestedMarkupWriter getNestedWriter()
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| { |
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| return new NestedMarkupWriterImpl(this, _filter);
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| } |
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| |
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| public void print(char[] data, int offset, int length)
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| { |
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| print(data, offset, length, false);
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| } |
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| |
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3170
| public void printRaw(char[] buffer, int offset, int length)
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| { |
283 |
3170
| print(buffer, offset, length, true);
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| } |
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| |
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10117
| public void print(char[] buffer, int offset, int length, boolean raw)
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| { |
288 |
10117
| if (_openTag)
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6417
| closeTag();
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| |
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10117
| maybePrintFiltered(buffer, offset, length, raw, false);
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| } |
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4955
| public void print(String value)
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| { |
296 |
4955
| print(value, false);
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| } |
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299 |
429
| public void printRaw(String value)
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| { |
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429
| print(value, true);
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| } |
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6945
| public void print(String value, boolean raw)
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| { |
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6945
| if (value == null || value.length() == 0)
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| { |
308 |
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| print(null, 0, 0, raw);
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| return;
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| } |
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| |
312 |
6834
| char[] buffer = value.toCharArray();
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| |
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6834
| print(buffer, 0, buffer.length, raw);
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| } |
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| |
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1
| public void print(char value)
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| { |
319 |
1
| char[] data = new char[]
|
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| { value }; |
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| |
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1
| print(data, 0, 1);
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| } |
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| |
325 |
184
| public void print(int value)
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| { |
327 |
184
| if (_openTag)
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| closeTag();
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| |
330 |
184
| _writer.print(value);
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| } |
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| |
333 |
5033
| public void println()
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| { |
335 |
5033
| if (_openTag)
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1091
| closeTag();
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| |
338 |
5033
| _writer.println();
|
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| } |
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| |
341 |
343
| public String getContentType()
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342 |
| { |
343 |
343
| return _contentType;
|
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| } |
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| |
346 |
5613
| private void checkTagOpen()
|
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| { |
348 |
5613
| if (!_openTag)
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3
| throw new IllegalStateException(MarkupMessages.tagNotOpen());
|
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| } |
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| |
352 |
11023
| private void push(String name)
|
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| { |
354 |
11023
| if (_activeElementStack == null)
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355 |
253
| _activeElementStack = new ArrayList();
|
356 |
| |
357 |
11023
| _activeElementStack.add(name);
|
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| } |
359 |
| |
360 |
10998
| private String pop()
|
361 |
| { |
362 |
10998
| int lastIndex = _activeElementStack.size() - 1;
|
363 |
| |
364 |
10998
| return (String) _activeElementStack.remove(lastIndex);
|
365 |
| } |
366 |
| |
367 |
5363
| private boolean stackEmpty()
|
368 |
| { |
369 |
5363
| return _activeElementStack == null || _activeElementStack.isEmpty();
|
370 |
| } |
371 |
| } |