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/*
* Copyright 2011 Vaadin Ltd.
*
* 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.vaadin.terminal;
import java.io.Serializable;
import java.net.URL;
import com.vaadin.service.FileTypeResolver;
/**
* <code>ExternalResource</code> implements source for resources fetched from
* location specified by URL:s. The resources are fetched directly by the client
* terminal and are not fetched trough the terminal adapter.
*
* @author Vaadin Ltd.
* @since 3.0
*/
@SuppressWarnings("serial")
public class ExternalResource implements Resource, Serializable {
/**
* Url of the download.
*/
private String sourceURL = null;
/**
* MIME Type for the resource
*/
private String mimeType = null;
/**
* Creates a new download component for downloading directly from given URL.
*
* @param sourceURL
* the source URL.
*/
public ExternalResource(URL sourceURL) {
if (sourceURL == null) {
throw new RuntimeException("Source must be non-null");
}
this.sourceURL = sourceURL.toString();
}
/**
* Creates a new download component for downloading directly from given URL.
*
* @param sourceURL
* the source URL.
* @param mimeType
* the MIME Type
*/
public ExternalResource(URL sourceURL, String mimeType) {
this(sourceURL);
this.mimeType = mimeType;
}
/**
* Creates a new download component for downloading directly from given URL.
*
* @param sourceURL
* the source URL.
*/
public ExternalResource(String sourceURL) {
if (sourceURL == null) {
throw new RuntimeException("Source must be non-null");
}
this.sourceURL = sourceURL.toString();
}
/**
* Creates a new download component for downloading directly from given URL.
*
* @param sourceURL
* the source URL.
* @param mimeType
* the MIME Type
*/
public ExternalResource(String sourceURL, String mimeType) {
this(sourceURL);
this.mimeType = mimeType;
}
/**
* Gets the URL of the external resource.
*
* @return the URL of the external resource.
*/
public String getURL() {
return sourceURL;
}
/**
* Gets the MIME type of the resource.
*
* @see com.vaadin.terminal.Resource#getMIMEType()
*/
@Override
public String getMIMEType() {
if (mimeType == null) {
mimeType = FileTypeResolver.getMIMEType(getURL().toString());
}
return mimeType;
}
/**
* Sets the MIME type of the resource.
*/
public void setMIMEType(String mimeType) {
this.mimeType = mimeType;
}
}
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