package org.springframework.core.io;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import org.springframework.core.NestedIOException;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
public class VfsResource extends AbstractResource {
private final Object resource;
public VfsResource(Object resource) {
Assert.notNull(resource, "VirtualFile must not be null");
this.resource = resource;
}
@Override
public InputStream getInputStream() throws IOException {
return VfsUtils.getInputStream(this.resource);
}
@Override
public boolean exists() {
return VfsUtils.exists(this.resource);
}
@Override
public boolean isReadable() {
return VfsUtils.isReadable(this.resource);
}
@Override
public URL getURL() throws IOException {
try {
return VfsUtils.getURL(this.resource);
}
catch (Exception ex) {
throw new NestedIOException("Failed to obtain URL for file " + this.resource, ex);
}
}
@Override
public URI getURI() throws IOException {
try {
return VfsUtils.getURI(this.resource);
}
catch (Exception ex) {
throw new NestedIOException("Failed to obtain URI for " + this.resource, ex);
}
}
@Override
public File getFile() throws IOException {
return VfsUtils.getFile(this.resource);
}
@Override
public long contentLength() throws IOException {
return VfsUtils.getSize(this.resource);
}
@Override
public long lastModified() throws IOException {
return VfsUtils.getLastModified(this.resource);
}
@Override
public Resource createRelative(String relativePath) throws IOException {
if (!relativePath.startsWith(".") && relativePath.contains("/")) {
try {
return new VfsResource(VfsUtils.getChild(this.resource, relativePath));
}
catch (IOException ex) {
}
}
return new VfsResource(VfsUtils.getRelative(new URL(getURL(), relativePath)));
}
@Override
public String getFilename() {
return VfsUtils.getName(this.resource);
}
@Override
public String getDescription() {
return "VFS resource [" + this.resource + "]";
}
@Override
public boolean equals(@Nullable Object other) {
return (this == other || (other instanceof VfsResource &&
this.resource.equals(((VfsResource) other).resource)));
}
@Override
public int hashCode() {
return this.resource.hashCode();
}
}