Revision 11041 trunk/frameworks/_fwAndami/src/com/iver/andami/iconthemes/IconTheme.java
| IconTheme.java | ||
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package com.iver.andami.iconthemes; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.util.HashMap; |
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import java.util.zip.ZipEntry; |
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import java.util.zip.ZipFile; |
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import javax.swing.ImageIcon; |
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import org.apache.log4j.Logger; |
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import com.iver.andami.PluginServices; |
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/** |
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* <p>This class represents an icon theme, which is basically a mapping of |
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* symbolic icon names, and real icons (or icon paths). This is useful to |
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*/ |
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public class IconTheme {
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private HashMap iconList = new HashMap(); |
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private Logger logger = PluginServices.getLogger();
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private Logger logger; |
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private IconThemeInfo info; |
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/** |
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public ImageIcon get(String iconName) {
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Object object = iconList.get(iconName); |
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if (object!=null) {
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if (object instanceof String) |
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return new ImageIcon((String)object); |
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else if (object instanceof ImageIcon) |
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if (object instanceof ImageIcon) |
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return (ImageIcon) object; |
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else if (object instanceof URL) {
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// ok, we got an imagePath, let's see if it's valid |
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ImageIcon icon = new ImageIcon((URL)object); |
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if (icon.getImage()!=null) {
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// the icon was successfully created from the imagePath |
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return icon; |
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} |
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else {
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getLogger().error("Registered icon does not map to a valid image -- key: "+iconName+" -- URL: "+object.toString());
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return null; |
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} |
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} |
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else if (object instanceof ZipEntry && info.getResource() instanceof ZipFile) {
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ZipEntry entry = (ZipEntry) object; |
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ZipFile file = (ZipFile) info.getResource(); |
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try {
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InputStream is = file.getInputStream(entry); |
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int size=(int)entry.getSize(); |
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if (size==-1) return null; |
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byte[] b=new byte[size]; |
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int offset=0; |
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int chunk=0; |
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while ((size - offset) > 0) {
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chunk=is.read(b, offset, size - offset); |
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if (chunk==-1) {
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break; |
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} |
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offset+=chunk; |
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} |
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} catch (IOException e) {
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} |
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} |
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} |
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return null; |
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} |
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* <code>null</code> otherwise. |
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*/ |
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public ImageIcon get(String iconName, ImageIcon fallbackImage) {
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Object object = iconList.get(iconName); |
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if (object!=null) {
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// key is registered |
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if (object instanceof ImageIcon) |
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return (ImageIcon) object; |
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else if (object instanceof URL) {
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// ok, we got an imagePath, let's see if it's valid |
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ImageIcon icon = new ImageIcon((URL)object); |
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if (icon.getImage()!=null) |
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// the icon was successfully created from the imagePath |
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return icon; |
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else {
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// it seems the imagePath was not valid, register the fallbackImage then |
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logger.error("Registered icon does not map to a valid image -- key: "+iconName+" -- URL: "+object.toString());
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register(iconName, fallbackImage); |
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return fallbackImage; |
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} |
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} |
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ImageIcon icon = get(iconName); |
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if (icon!=null) {
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return icon; |
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} |
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// the key was not in the list |
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register(iconName, fallbackImage); |
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return fallbackImage; |
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else {
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register(iconName, fallbackImage); |
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return fallbackImage; |
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} |
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} |
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/** |
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* <code>null</code> otherwise. |
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*/ |
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public ImageIcon get(String iconName, URL fallbackImage) {
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Object object = iconList.get(iconName); |
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if (object!=null) {
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// key is registered |
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if (object instanceof ImageIcon) |
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return (ImageIcon) object; |
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else if (object instanceof URL) {
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return tryToGetFromURLs(iconName, (URL) object, fallbackImage); |
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} |
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} |
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// the key was not in the list |
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ImageIcon icon = new ImageIcon(fallbackImage); |
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if (icon.getImage()!=null) {
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register(iconName, fallbackImage); |
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ImageIcon icon = get(iconName); |
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if (icon!=null) {
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return icon; |
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} |
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else {
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// we don't want to return an empty ImageIcon |
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logger.error("Provided icon does not map to a valid image -- key: "+iconName+" -- URL: "+fallbackImage.toString());
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icon = new ImageIcon(fallbackImage); |
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if (icon.getImage()!=null) {
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register(iconName, fallbackImage); |
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return icon; |
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} |
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else {
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// we don't want to return an empty ImageIcon |
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getLogger().error("Provided icon does not map to a valid image -- key: "+iconName+" -- URL: "+fallbackImage.toString());
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} |
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return null; |
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} |
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} |
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* <code>null</code> otherwise. |
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*/ |
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public ImageIcon get(String iconName, String fallbackImage) {
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try {
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Object object = iconList.get(iconName); |
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if (object!=null) {
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// key is registered |
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if (object instanceof ImageIcon) |
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return (ImageIcon) object; |
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else if (object instanceof URL) {
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ImageIcon icon = get(iconName); |
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if (icon!=null) {
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return icon; |
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} |
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else {
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icon = new ImageIcon(fallbackImage); |
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if (icon.getImage()!=null) {
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try {
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File fallbackFile = new File(fallbackImage); |
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return tryToGetFromURLs(iconName, (URL)object, fallbackFile.toURL()); |
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register(iconName, fallbackFile.toURL()); |
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return icon; |
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} catch (MalformedURLException e) {
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e.printStackTrace(); |
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return null; |
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} |
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} |
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// the key was not in the list |
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ImageIcon icon = new ImageIcon(fallbackImage); |
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if (icon.getImage()!=null) {
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File fallbackFile = new File(fallbackImage); |
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register(iconName, fallbackFile.toURL()); |
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return icon; |
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} |
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else {
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// we don't want to return an empty ImageIcon |
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logger.error("Provided icon does not map to a valid image -- key: "+iconName+" -- URL: "+fallbackImage.toString());
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getLogger().error("Provided icon does not map to a valid image -- key: "+iconName+" -- URL: "+fallbackImage.toString());
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} |
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return null; |
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} |
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catch (MalformedURLException ex) {}
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return null; |
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} |
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|
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iconList.put(iconName, urlImage); |
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} |
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/** |
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* Try to load an image from <code>imageURL</code>; if it it does not |
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* point to a valid image, try with <code>fallbackURL</code>. |
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* |
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* @param iconName |
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* @param imageURL |
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* @param fallbackURL |
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* |
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* @return If any image was successfully loaded, return this image, |
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* otherwise return <code>null</code>. |
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*/ |
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private ImageIcon tryToGetFromURLs(String iconName, URL imageURL, URL fallbackURL) {
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// let's see if imageURL is valid |
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ImageIcon icon = new ImageIcon(imageURL); |
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if (icon.getImage()!=null) {
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// the icon was successfully created from the imagePath |
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return icon; |
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} |
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else {
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// it seems the imagePath was not valid, try with fallbackImage then |
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logger.error("Registered icon does not map to a valid image -- key: "+iconName+" -- URL: "+imageURL.toString());
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icon = new ImageIcon(fallbackURL); |
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if (icon.getImage()!=null) {
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register(iconName, fallbackURL); |
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return icon; |
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} |
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else {
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// we don't want to return an empty ImageIcon |
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logger.error("Provided icon does not map to a valid image -- key: "+iconName+" -- URL: "+fallbackURL.toString());
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return null; |
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} |
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} |
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public void register(String iconName, ZipEntry zippedImage) {
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iconList.put(iconName, zippedImage); |
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} |
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/** |
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public IconThemeInfo getInfo() {
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return info; |
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} |
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private Logger getLogger() {
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if (logger!=null) |
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return logger; |
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else |
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return Logger.getLogger(this.getClass()); |
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} |
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protected void setLogger(Logger logger) {
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this.logger = logger; |
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} |
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} |
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