/*
* Copyright 2008-2017 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 griffon.swing.editors;
import griffon.core.editors.AbstractPropertyEditor;
import griffon.metadata.PropertyEditorFor;
import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;
import java.awt.Image;
import java.awt.Toolkit;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import static griffon.util.GriffonNameUtils.isBlank;
/**
* @author Andres Almiray
* @since 2.0.0
*/
@PropertyEditorFor(Image.class)
public class ImagePropertyEditor extends AbstractPropertyEditor {
protected void setValueInternal(Object value) {
if (null == value) {
super.setValueInternal(null);
} else if (value instanceof CharSequence) {
handleAsString(String.valueOf(value));
} else if (value instanceof File) {
handleAsFile((File) value);
} else if (value instanceof URL) {
handleAsURL((URL) value);
} else if (value instanceof URI) {
handleAsURI((URI) value);
} else if (value instanceof InputStream) {
handleAsInputStream((InputStream) value);
} else if (value instanceof ImageInputStream) {
handleAsImageInputStream((ImageInputStream) value);
} else if (value instanceof byte[]) {
handleAsByteArray((byte[]) value);
} else if (value instanceof Image) {
super.setValueInternal(value);
} else {
throw illegalValue(value, Image.class);
}
}
protected void handleAsString(String str) {
if (isBlank(str)) {
super.setValueInternal(null);
return;
}
handleAsURL(getClass().getClassLoader().getResource(str));
}
protected void handleAsFile(File file) {
try {
super.setValueInternal(ImageIO.read(file));
} catch (IOException e) {
throw illegalValue(file, Image.class, e);
}
}
protected void handleAsURL(URL url) {
try {
super.setValueInternal(ImageIO.read(url));
} catch (IOException e) {
throw illegalValue(url, Image.class, e);
}
}
protected void handleAsURI(URI uri) {
try {
handleAsURL(uri.toURL());
} catch (MalformedURLException e) {
throw illegalValue(uri, Image.class, e);
}
}
protected void handleAsInputStream(InputStream stream) {
try {
super.setValueInternal(ImageIO.read(stream));
} catch (IOException e) {
throw illegalValue(stream, Image.class, e);
}
}
protected void handleAsImageInputStream(ImageInputStream stream) {
try {
super.setValueInternal(ImageIO.read(stream));
} catch (IOException e) {
throw illegalValue(stream, Image.class, e);
}
}
protected void handleAsByteArray(byte[] bytes) {
super.setValueInternal(Toolkit.getDefaultToolkit().createImage(bytes));
}
}