org.eclipse.wst.common.internal.environment.relative.RelativeURI Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2004, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.common.internal.environment.relative;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.common.environment.uri.IURI;
import org.eclipse.wst.common.environment.uri.IURIFilter;
import org.eclipse.wst.common.environment.uri.IURIScheme;
import org.eclipse.wst.common.environment.uri.IURIVisitor;
import org.eclipse.wst.common.environment.uri.URIException;
import org.eclipse.wst.common.internal.environment.eclipse.Messages;
public class RelativeURI implements IURI
{
protected String uri_;
public RelativeURI( String uri )
{
uri_ = uri;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#append(org.eclipse.env.uri.URI)
*/
public IURI append(IURI relativeURI) throws URIException
{
if( !relativeURI.isRelative())
{
throw new URIException(
new Status( IStatus.ERROR, "id", 0, //$NON-NLS-1$
NLS.bind( Messages.MSG_URI_NOT_RELATIVE, relativeURI.toString() ), null ) );
}
String newURI = uri_ + "/" + relativeURI.toString(); //$NON-NLS-1$
return getURIScheme().newURI( newURI );
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#asFile()
*/
public File asFile()
{
return null;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#asString()
*/
public String asString()
{
return uri_;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#toString()
*/
@Override
public String toString()
{
return uri_;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#asURL()
*/
public URL asURL() throws URIException
{
return null;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#erase()
*/
public void erase() throws URIException
{
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#getInputStream()
*/
public InputStream getInputStream() throws URIException
{
return null;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#getOutputStream()
*/
public OutputStream getOutputStream() throws URIException
{
return null;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#getURIScheme()
*/
public IURIScheme getURIScheme()
{
return new RelativeScheme();
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isAvailableAsFile()
*/
public boolean isAvailableAsFile()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isAvailableAsURL()
*/
public boolean isAvailableAsURL()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isHierarchical()
*/
public boolean isHierarchical()
{
return true;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isLeaf()
*/
public boolean isLeaf()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isPresent()
*/
public boolean isPresent()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isReadable()
*/
public boolean isReadable()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isRelative()
*/
public boolean isRelative()
{
return true;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#isWritable()
*/
public boolean isWritable()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#list()
*/
public IURI[] list() throws URIException
{
return new IURI[0];
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#list(org.eclipse.env.uri.URIFilter)
*/
public IURI[] list(IURIFilter uriFilter) throws URIException
{
return new IURI[0];
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#parent()
*/
public IURI parent() throws URIException
{
int lastSlash = uri_.lastIndexOf( '/' );
int firstSlash = uri_.indexOf( '/' );
// If there is a parent, then it must start with a slash
// and end with a slash.
if( lastSlash == -1 || firstSlash == -1 ) return null;
return getURIScheme().newURI( uri_.substring(0, lastSlash ) );
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#rename(org.eclipse.env.uri.URI)
*/
public void rename(IURI newURI) throws URIException
{
uri_ = newURI.toString();
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#touchFolder()
*/
public void touchFolder() throws URIException
{
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#touchLeaf()
*/
public void touchLeaf() throws URIException
{
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#visit(org.eclipse.env.uri.URIVisitor, org.eclipse.env.uri.URIFilter)
*/
public void visit(IURIVisitor uriVisitor, IURIFilter uriFilter)
throws URIException
{
boolean continueVisit = true;
// If the filter accepts this we will visit it.
if( uriFilter.accepts( this ) )
{
continueVisit = uriVisitor.visit( this );
}
IURI[] children = list();
for( int index = 0; index < children.length && continueVisit; index++ )
{
children[index].visit( uriVisitor, uriFilter );
}
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URI#visit(org.eclipse.env.uri.URIVisitor)
*/
public void visit(IURIVisitor uriVisitor) throws URIException
{
boolean continueVisit = uriVisitor.visit( this );
IURI[] children = list();
for( int index = 0; index < children.length && continueVisit; index++ )
{
children[index].visit( uriVisitor );
}
}
}