/*
* Copyright 2012-2015 the original author or authors.
*
* Licensed 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 org.springframework.boot.devtools.filewatch;
import java.io.File;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* A single file that has changed.
*
* @author Phillip Webb
* @since 1.3.0
* @see ChangedFiles
*/
public final class ChangedFile {
private final File sourceFolder;
private final File file;
private final Type type;
/**
* Create a new {@link ChangedFile} instance.
* @param sourceFolder the source folder
* @param file the file
* @param type the type of change
*/
public ChangedFile(File sourceFolder, File file, Type type) {
Assert.notNull(sourceFolder, "SourceFolder must not be null");
Assert.notNull(file, "File must not be null");
Assert.notNull(type, "Type must not be null");
this.sourceFolder = sourceFolder;
this.file = file;
this.type = type;
}
/**
* Return the file that was changed.
* @return the file
*/
public File getFile() {
return this.file;
}
/**
* Return the type of change.
* @return the type of change
*/
public Type getType() {
return this.type;
}
/**
* Return the name of the file relative to the source folder.
* @return the relative name
*/
public String getRelativeName() {
File folder = this.sourceFolder.getAbsoluteFile();
File file = this.file.getAbsoluteFile();
String folderName = StringUtils.cleanPath(folder.getPath());
String fileName = StringUtils.cleanPath(file.getPath());
Assert.state(fileName.startsWith(folderName), "The file " + fileName
+ " is not contained in the source folder " + folderName);
return fileName.substring(folderName.length() + 1);
}
@Override
public int hashCode() {
return this.file.hashCode() * 31 + this.type.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj == null) {
return false;
}
if (obj instanceof ChangedFile) {
ChangedFile other = (ChangedFile) obj;
return this.file.equals(other.file) && this.type.equals(other.type);
}
return super.equals(obj);
}
@Override
public String toString() {
return this.file + " (" + this.type + ")";
}
/**
* Change types.
*/
public enum Type {
/**
* A new file has been added.
*/
ADD,
/**
* An existing file has been modified.
*/
MODIFY,
/**
* An existing file has been deleted.
*/
DELETE
}
}