org.loom.tags
Class AbstractWriterWrapper<T extends java.io.Writer>

java.lang.Object
  org.loom.tags.AbstractWriterWrapper<T>

All Implemented Interfaces:

WriterWrapper<T>

Direct Known Subclasses:

JspWriterWrapper, PrintWriterWrapper, StringWriterWrapper

public abstract class AbstractWriterWrapper<T extends java.io.Writer>
extends java.lang.Object
implements WriterWrapper<T>

Abstract writer implementation

Field Summary

protected T

writer

Constructor Summary

AbstractWriterWrapper(T writer)

Method Summary

WriterWrapper<T>	end(java.lang.String tag) Ends a HTML tag
WriterWrapper<T>	endJavascript() Write a javascript end tag
void	flush() Flush the written contents
T	getWriter()
WriterWrapper<T>	print(java.lang.Object o) Print ant Object, invoking its toString() method
WriterWrapper<T>	printAttribute(java.lang.String name, java.lang.Object value) Prints a tag attribute and value, if not null
WriterWrapper<T>	printHiddenField(java.lang.String name, java.lang.Object value) Prints a hidden form field if its value is not null
WriterWrapper<T>	start(java.lang.String tag, java.lang.Object... attributes) Start an HTML tag.
WriterWrapper<T>	startEnd(java.lang.String tag, java.lang.Object... attributes) Start and end a bodyless HTML tag.
WriterWrapper<T>	startJavascript() Write a javascript start tag

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.loom.tags.WriterWrapper

print

Field Detail

writer

protected T extends java.io.Writer writer

Constructor Detail

AbstractWriterWrapper

public AbstractWriterWrapper(T writer)

Method Detail

printAttribute

public WriterWrapper<T> printAttribute(java.lang.String name,
                                       java.lang.Object value)
                                                       throws java.io.IOException

Description copied from interface: WriterWrapper

Prints a tag attribute and value, if not null

Specified by:

printAttribute in interface WriterWrapper<T extends java.io.Writer>

Parameters:

name - name of the attribute

value - value of the attribute. If null, nothing will be written

Returns:

this same instance

Throws:

java.io.IOException

getWriter

public T getWriter()

Specified by:

getWriter in interface WriterWrapper<T extends java.io.Writer>

Returns:

the true writer instance

print

public WriterWrapper<T> print(java.lang.Object o)
                                              throws java.io.IOException

Description copied from interface: WriterWrapper

Print ant Object, invoking its toString() method

Specified by:

print in interface WriterWrapper<T extends java.io.Writer>

Parameters:

o - the object to be written

Returns:

this same instance

Throws:

java.io.IOException

printHiddenField

public WriterWrapper<T> printHiddenField(java.lang.String name,
                                         java.lang.Object value)
                                                         throws java.io.IOException

Description copied from interface: WriterWrapper

Prints a hidden form field if its value is not null

Specified by:

printHiddenField in interface WriterWrapper<T extends java.io.Writer>

Parameters:

name - name of the field

value - value of the field. If null, nothing will be written

Throws:

java.io.IOException

startJavascript

public WriterWrapper<T> startJavascript()
                                                        throws java.io.IOException

Description copied from interface: WriterWrapper

Write a javascript start tag

Specified by:

startJavascript in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException

endJavascript

public WriterWrapper<T> endJavascript()
                                                      throws java.io.IOException

Description copied from interface: WriterWrapper

Write a javascript end tag

Specified by:

endJavascript in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Description copied from interface: WriterWrapper

Flush the written contents

Specified by:

flush in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException

startEnd

public WriterWrapper<T> startEnd(java.lang.String tag,
                                 java.lang.Object... attributes)
                                                 throws java.io.IOException

Description copied from interface: WriterWrapper

Start and end a bodyless HTML tag. This method will write the tag complete with all the provided attributes. The attributes must be in pairs (name, value) Example of use: startEnd("img", "href", "foo.html", "class", "bar") will write <img href="foo.html" class="bar"/> If any of the provided attribute values is null, it will be ignored.

Specified by:

startEnd in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException

start

public WriterWrapper<T> start(java.lang.String tag,
                              java.lang.Object... attributes)
                                              throws java.io.IOException

Description copied from interface: WriterWrapper

Start an HTML tag. This method will write the starting tag complete with all the provided attributes. The attributes must be in pairs (name, value) Example of use: start("a", "href", "foo.html", "class", "bar") will write <a href="foo.html" class="bar"> If any of the provided attribute values is null, it will be ignored.

Specified by:

start in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException

end

public WriterWrapper<T> end(java.lang.String tag)
                                            throws java.io.IOException

Description copied from interface: WriterWrapper

Ends a HTML tag

Specified by:

end in interface WriterWrapper<T extends java.io.Writer>

Throws:

java.io.IOException