flex2.compiler.common.LocalFilePathResolver Maven / Gradle / Ivy
/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package flex2.compiler.common;
import flash.util.FileUtils;
import flash.util.Trace;
import flex2.compiler.io.VirtualFile;
import flex2.compiler.io.FileUtil;
import flex2.compiler.io.LocalFile;
import java.io.File;
/**
* This class handles resolving absolute file paths. This resolver
* explicitly does not resolve relative paths, because it is included
* in the ThreadLocalToolkit's global PathResolver. The
* ThreadLocalToolkit's global PathResolver is used to resolve things
* like @Embed assets and we don't want paths which are relative to
* the current working directory and not relative to the containing
* Mxml document to be resolved. For example, if we have:
*
* C:/foo/bar.mxml
*
* with:
*
*
*
* and:
*
* C:/foo/image.jpg
* C:/image.jpg
*
* When the current working directory is C:/, we don't want resolve() to return
* C:/image.jpg.
*/
public class LocalFilePathResolver implements SinglePathResolver
{
private static final LocalFilePathResolver singleton = new LocalFilePathResolver();
private LocalFilePathResolver()
{
}
public static LocalFilePathResolver getSingleton()
{
return singleton;
}
public VirtualFile resolve( String pathStr )
{
File path = FileUtil.openFile(pathStr);
VirtualFile virt = null;
if (path != null && FileUtils.exists(path) && FileUtils.isAbsolute(path))
{
virt = new LocalFile(path);
}
if ((virt != null) && Trace.pathResolver)
{
Trace.trace("LocalFilePathResolver.resolve: resolved " + pathStr + " to " + virt.getName());
}
return virt;
}
}
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