package com.mycompany;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import com.bradmcevoy.http.FileItem;
import com.bradmcevoy.http.PostableResource;
import com.bradmcevoy.http.Range;
import com.bradmcevoy.http.ReplaceableResource;
import com.bradmcevoy.http.Response;
import com.bradmcevoy.property.BeanPropertyResource;
import com.bradmcevoy.property.MultiNamespaceCustomPropertyResource;
import com.bradmcevoy.property.PropertySource.PropertyAccessibility;
import com.bradmcevoy.property.PropertySource.PropertyMetaData;
/**
* Demonstrates implementing:
* - MultiNamespaceCustomPropertyResource - for getting and setting custom properties
* - BeanPropertyResource - showing how to edit bean properties
* - ReplaceableResource - for replacing content on PUTs to existing resources
* - PostableResource - for form processing
*
*/
// This annotation allows us to edit the text property
@BeanPropertyResource("http://milton.ettrema.com/demo/beanprop")
public class TTextResource extends TResource implements PostableResource, ReplaceableResource, MultiNamespaceCustomPropertyResource {
private static org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger( TTextResource.class );
private static final String START_CONTENT = "<textarea name=\"text\" cols=\"60\" rows=\"20\">";
private static final String END_CONTENT = "</textarea>";
private static final String NS_EXAMPLE = "http://milton.ettrema.com/demo/multins";
private String text;
private Map<String, String> props = new HashMap<String, String>();
public TTextResource( TFolderResource parent, String name, String text ) {
super( parent, name );
this.text = text;
props.put( "helloWorldProperty", "i am " + name );
}
@Override
protected Object clone( TFolderResource newParent ) {
return new TTextResource( newParent, name, text );
}
public String getContentType( String accept ) {
return Response.ContentType.HTTP.toString();
}
public void sendContent( OutputStream out, Range range, Map<String, String> params, String contentType ) throws IOException {
PrintWriter printer = new PrintWriter( out, true );
sendContentStart( printer );
sendContentMiddle( printer );
sendContentFinish( printer );
}
protected void sendContentMiddle( final PrintWriter printer ) {
print( printer, "<form method='post' action='" + this.getHref() + "'>" );
print( printer, "<fieldset>" );
print( printer, "<input type='text' name='name' value='" + this.getName() + "'/>" );
print( printer, "<br/>" );
printer.print( START_CONTENT );
print( printer, text );
printer.print( END_CONTENT );
print( printer, "<br/>" );
printer.print( "<input type='submit' />" );
print( printer, "</fieldset>" );
print( printer, "</form>" );
}
protected void sendContentFinish( final PrintWriter printer ) {
printer.print( "</body></html>" );
printer.flush();
}
protected void sendContentStart( final PrintWriter printer ) {
printer.print( "<html>" );
printer.print( "<head>" );
printer.print( "<title>page: " + this.getName() + "</title>" );
printer.print( "</head>" );
printer.print( "<body>" );
printer.print( "<h1>" + getName() + "</h1>" );
sendContentMenu( printer );
}
protected void sendContentMenu( final PrintWriter printer ) {
printer.print( "<ul>" );
for( TResource r : parent.children ) {
printer.print( "<li><a href='" + r.getHref() + "'>" + r.getName() + "</a></li>" );
}
printer.print( "</ul>" );
}
public String processForm( Map<String, String> parameters, Map<String, FileItem> files ) {
log.debug( "processForm: " + parameters.size() );
for( String nm : parameters.keySet() ) {
log.debug( " - param: " + nm );
}
String newName = parameters.get( "name" );
if( newName != null ) {
this.name = newName;
}
String newContent = parameters.get( "text" );
this.text = newContent;
this.modDate = new Date();
return null;
}
public void replaceContent( InputStream in, Long length ) {
try {
String newContent = TFolderResource.readStream( in ).toString();
int pos = newContent.indexOf( START_CONTENT );
if( pos >= 0 ) {
newContent = newContent.substring( pos + START_CONTENT.length() );
}
pos = newContent.indexOf( END_CONTENT );
if( pos >= 0 ) {
newContent = newContent.substring( 0, pos );
}
log.debug( "new content: " + newContent );
this.text = newContent;
} catch( IOException ex ) {
throw new RuntimeException( ex );
}
}
public Object getProperty( QName name ) {
if( name.getNamespaceURI().equals( NS_EXAMPLE ) ) {
return props.get( name.getLocalPart() );
} else {
return PropertyMetaData.UNKNOWN;
}
}
public void setProperty( QName name, Object value ) {
if( name.getNamespaceURI().equals( NS_EXAMPLE ) ) {
props.put( name.getLocalPart(), (String) value );
}
}
public PropertyMetaData getPropertyMetaData( QName name ) {
if( name.getNamespaceURI().equals( NS_EXAMPLE ) ) {
return new PropertyMetaData( PropertyAccessibility.WRITABLE, String.class );
} else {
return PropertyMetaData.UNKNOWN;
}
}
public List<QName> getAllPropertyNames() {
List<QName> list = new ArrayList<QName>();
for( String key : props.keySet() ) {
list.add( new QName( NS_EXAMPLE, key ) );
}
return list;
}
public String getText() {
return text;
}
public void setText( String text ) {
this.text = text;
}
}