EmulatorCarouselImageServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.day.cq.commons.ImageHelper
* com.day.image.Layer
* javax.servlet.Servlet
* javax.servlet.ServletException
* javax.servlet.ServletOutputStream
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Properties
* org.apache.felix.scr.annotations.Property
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.Service
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.SlingHttpServletResponse
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.servlets.SlingAllMethodsServlet
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.wcm.emulator.impl;
import com.day.cq.commons.ImageHelper;
import com.day.cq.wcm.emulator.Emulator;
import com.day.cq.wcm.emulator.EmulatorService;
import com.day.image.Layer;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=0)
@Service(value={Servlet.class})
@Properties(value={@Property(name="sling.servlet.resourceTypes", value={"sling/servlet/default"}), @Property(name="sling.servlet.selectors", value={"emulatorstrip"}), @Property(name="sling.servlet.extensions", value={"png"}), @Property(name="sling.servlet.methods", value={"GET"})})
public class EmulatorCarouselImageServlet
extends SlingAllMethodsServlet {
private static final Logger log = LoggerFactory.getLogger(EmulatorCarouselImageServlet.class);
private static final Color COLOR_TRANSLUCENT = new Color(3);
private static final String PATH_MASK = "/libs/wcm/emulator/components/base/resources/bg_carousel_mask.png";
@Reference
private EmulatorService emulatorService;
private static final int THUMB_WIDTH = 60;
private static final int THUMB_HEIGHT = 80;
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
ResourceResolver resolver = request.getResourceResolver();
List<Emulator> emulators = this.emulatorService.getEmulators(request.getResource());
ArrayList<InputStream> thumbnails = new ArrayList<InputStream>();
for (Emulator emulator : emulators) {
Resource resource = resolver.getResource(emulator.getPath());
if (null != resource) {
Resource thumbnail = resolver.getResource(resource, "./thumbnail.png");
if (thumbnail == null) {
thumbnails.add(this.getDefaultThumbnail());
continue;
}
InputStream inputStream = (InputStream)thumbnail.adaptTo(InputStream.class);
if (null != inputStream) {
thumbnails.add(inputStream);
continue;
}
log.warn("failed getting thumbnail for emulator [{}].", (Object)emulator.getPath());
thumbnails.add(this.getDefaultThumbnail());
continue;
}
log.warn("emulator [{}] doesn't have a thumbnail.", (Object)emulator.getPath());
thumbnails.add(this.getDefaultThumbnail());
}
Layer layer = new Layer(60, 80, null);
int count = 0;
for (InputStream stream : thumbnails) {
Layer l = new Layer(stream);
l.resize(60, 80);
l.setX(count);
layer.merge(l);
count += 60;
}
Layer mirrorMask = ImageHelper.createLayer((Resource)resolver.getResource("/libs/wcm/emulator/components/base/resources/bg_carousel_mask.png"));
if (null != mirrorMask) {
mirrorMask.resize(layer.getWidth(), layer.getHeight());
Layer mirror = this.flipLayer(layer);
mirror.merge(mirrorMask);
mirror.crop((Rectangle2D)new Rectangle(0, 0, layer.getWidth(), 30));
mirror.setY(80);
layer.merge(mirror);
}
response.setContentType("image/png");
layer.write("image/png", 1.0, (OutputStream)response.getOutputStream());
}
private InputStream getDefaultThumbnail() throws IOException {
Layer layer = new Layer(60, 80, (Paint)COLOR_TRANSLUCENT);
ByteArrayOutputStream out = new ByteArrayOutputStream();
layer.write("image/png", 1.0, (OutputStream)out);
return new ByteArrayInputStream(out.toByteArray());
}
private Layer flipLayer(Layer layer) {
AffineTransform tx = AffineTransform.getScaleInstance(1.0, -1.0);
tx.translate(0.0, - layer.getHeight());
BufferedImage img = new BufferedImage(layer.getWidth(), layer.getHeight(), 2);
Graphics2D g2 = img.createGraphics();
g2.drawRenderedImage(layer.getImage(), tx);
return new Layer(img);
}
protected void bindEmulatorService(EmulatorService emulatorService) {
this.emulatorService = emulatorService;
}
protected void unbindEmulatorService(EmulatorService emulatorService) {
if (this.emulatorService == emulatorService) {
this.emulatorService = null;
}
}
}