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/*
 * Copyright (C) 2010 Atlassian
 *
 * 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 com.atlassian.jira.rest.client.api.domain;

import com.atlassian.jira.rest.client.api.AddressableEntity;
import com.google.common.base.Objects;
import org.joda.time.DateTime;

import javax.annotation.Nullable;
import java.net.URI;

/**
 * A file attachment attached to an issue
 *
 * @since v0.1
 */
public class Attachment implements AddressableEntity {
	private final URI self;
	private final String filename;
	private final BasicUser author;
	private final DateTime creationDate;
	private final int size;
	private final String mimeType;
	private final URI contentUri;

	@Nullable
	private final URI thumbnailUri;

	public Attachment(URI self, String filename, BasicUser author, DateTime creationDate, int size, String mimeType, URI contentUri, URI thumbnailUri) {
		this.self = self;
		this.filename = filename;
		this.author = author;
		this.creationDate = creationDate;
		this.size = size;
		this.mimeType = mimeType;
		this.contentUri = contentUri;
		this.thumbnailUri = thumbnailUri;
	}

	public boolean hasThumbnail() {
		return thumbnailUri != null;
	}

	@Override
	public URI getSelf() {
		return self;
	}

	public String getFilename() {
		return filename;
	}

	public BasicUser getAuthor() {
		return author;
	}

	public DateTime getCreationDate() {
		return creationDate;
	}

	public int getSize() {
		return size;
	}

	public String getMimeType() {
		return mimeType;
	}

	public URI getContentUri() {
		return contentUri;
	}

	@Nullable
	public URI getThumbnailUri() {
		return thumbnailUri;
	}

	@Override
	public String toString() {
		return Objects.toStringHelper(this).
				add("self", self).
				add("filename", filename).
				add("author", author).
				add("creationDate", creationDate).
				add("size", size).
				add("mimeType", mimeType).
				add("contentUri", contentUri).
				add("thumbnailUri", thumbnailUri).
				toString();
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof Attachment) {
			Attachment that = (Attachment) obj;
			return Objects.equal(this.self, that.self)
					&& Objects.equal(this.filename, that.filename)
					&& Objects.equal(this.author, that.author)
					&& this.creationDate.isEqual(that.creationDate)
					&& Objects.equal(this.size, that.size)
					&& Objects.equal(this.mimeType, that.mimeType)
					&& Objects.equal(this.contentUri, that.contentUri)
					&& Objects.equal(this.thumbnailUri, that.thumbnailUri);
		}
		return false;
	}

	@Override
	public int hashCode() {
		return Objects.hashCode(self, filename, author, creationDate, size, mimeType, contentUri, thumbnailUri);
	}
}