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/*******************************************************************************
* Copyright (c) 2013 University of Stuttgart.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Oliver Kopp - initial API and implementation
*******************************************************************************/
package org.eclipse.winery.common;
import org.eclipse.winery.common.ids.GenericId;
/**
* Holds a reference to a file "object" stored in the repository
*
* Directories are NOT supported as we would have to reflect parent
* relationships there, too.
*
* One has to create TOSCAelementId-objects for directories (e.g., scc-data)
*/
public class RepositoryFileReference implements Comparable<RepositoryFileReference> {
protected final GenericId parent;
protected final String fileName;
/**
* @param parent the id of the toscaElement the file is nested in
* @param fileName the file name. <em>Must not</em> contain any illegal
* characters. java.nio.Path cannot be used as Path is tied to a
* FileSystem
*/
public RepositoryFileReference(GenericId parent, String fileName) {
if (parent == null) {
throw new IllegalArgumentException("Parent must not be null.");
}
if (fileName == null) {
throw new IllegalArgumentException("Filename must not be null.");
}
this.parent = parent;
this.fileName = fileName;
}
public GenericId getParent() {
return this.parent;
}
public String getFileName() {
return this.fileName;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof RepositoryFileReference) {
RepositoryFileReference otherRef = (RepositoryFileReference) obj;
return (otherRef.fileName.equals(this.fileName)) && (otherRef.getParent().equals(this.getParent()));
} else {
return false;
}
}
@Override
public int hashCode() {
return this.getParent().hashCode() ^ this.getFileName().hashCode();
}
@Override
public int compareTo(RepositoryFileReference o) {
int res;
res = this.parent.compareTo(o.parent);
if (res == 0) {
res = this.fileName.compareTo(o.fileName);
}
return res;
}
@Override
public String toString() {
return this.getParent().toString() + "/" + this.getFileName();
}
}
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