/*
* Copyright 2002-2017 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.integration.samples.mailattachments.support;
import java.io.File;
import org.springframework.util.Assert;
/**
* Represents a part of the original email message. EmailFragments could be either
* Email messages themselves or also attachments. The sample will use {@link EmailFragment}s
* to ultimately write the various pieces that constitute an email message out to
* the file system.
*
* @author Gunnar Hillert
* @since 2.2
*
*/
public class EmailFragment {
private Object data;
private String filename;
private File directory;
/**
* Constructor.
*
* @param directory Must not be null
* @param filename Must not be null
* @param data Must not be null
*/
public EmailFragment(File directory, String filename, Object data) {
super();
Assert.notNull(directory, "'directory' must not be null");
Assert.hasText(filename, "'filename' must not be empty");
Assert.notNull(data, "'data' must not be null");
this.directory = directory;
this.filename = filename;
this.data = data;
}
/**
* The data to save to the file system, e.g. text messages/attachments, binary
* file attachments etc.
*/
public Object getData() {
return data;
}
/**
* The file name to create for the respective {@link EmailFragment}.
*/
public String getFilename() {
return filename;
}
/**
* The directory where to store the {@link #getData()} using the specified
* {@link #getFilename()}.
*
*/
public File getDirectory() {
return this.directory;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((directory == null) ? 0 : directory.hashCode());
result = prime * result
+ ((filename == null) ? 0 : filename.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
EmailFragment other = (EmailFragment) obj;
if (directory == null) {
if (other.directory != null) {
return false;
}
}
else if (!directory.equals(other.directory)) {
return false;
}
if (filename == null) {
if (other.filename != null) {
return false;
}
}
else if (!filename.equals(other.filename)) {
return false;
}
return true;
}
@Override
public String toString() {
return "EmailFragment [filename=" + filename + ", directory="
+ directory + "]";
}
}