AbstractImageServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.day.cq.commons.DiffInfo
* com.day.cq.commons.DiffInfo$TYPE
* com.day.cq.commons.ImageResource
* com.day.cq.commons.SlingRepositoryException
* com.day.cq.wcm.api.Page
* com.day.cq.wcm.api.PageManager
* com.day.cq.wcm.api.components.Component
* com.day.cq.wcm.api.designer.Style
* com.day.image.Layer
* javax.jcr.Node
* javax.jcr.RepositoryException
* javax.servlet.ServletException
* javax.servlet.ServletOutputStream
* javax.servlet.http.HttpServletRequest
* javax.servlet.http.HttpServletResponse
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.SlingHttpServletResponse
* org.apache.sling.api.request.RequestPathInfo
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.resource.ValueMap
* org.apache.sling.api.servlets.SlingSafeMethodsServlet
*/
package com.day.cq.wcm.commons;
import com.day.cq.commons.DiffInfo;
import com.day.cq.commons.ImageResource;
import com.day.cq.commons.SlingRepositoryException;
import com.day.cq.wcm.api.Page;
import com.day.cq.wcm.api.PageManager;
import com.day.cq.wcm.api.components.Component;
import com.day.cq.wcm.api.designer.Style;
import com.day.cq.wcm.commons.RequestHelper;
import com.day.cq.wcm.commons.WCMUtils;
import com.day.image.Layer;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.awt.geom.Rectangle2D;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Calendar;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.request.RequestPathInfo;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
public abstract class AbstractImageServlet
extends SlingSafeMethodsServlet {
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
try {
if (this.checkModifiedSince(request, response)) {
return;
}
String type = this.getImageType(request.getRequestPathInfo().getExtension());
if (type == null) {
response.sendError(404, "Image type not supported");
return;
}
ImageContext context = new ImageContext(request, type);
Layer layer = this.createLayer(context);
if (layer != null) {
this.applyDiff(layer, context);
}
this.writeLayer(request, response, context, layer);
}
catch (RepositoryException e) {
throw new SlingRepositoryException(e);
}
}
protected void writeLayer(SlingHttpServletRequest request, SlingHttpServletResponse response, ImageContext context, Layer layer) throws IOException, RepositoryException {
this.writeLayer(request, response, context, layer, this.getImageQuality());
}
protected void writeLayer(SlingHttpServletRequest request, SlingHttpServletResponse response, ImageContext context, Layer layer, double quality) throws IOException, RepositoryException {
String imageType = this.getImageType();
if (context != null && context.requestImageType != null && context.requestImageType.startsWith("image/")) {
imageType = context.requestImageType;
}
response.setContentType(imageType);
int size = layer.getHeight() * layer.getWidth();
if (size < 1048576) {
ByteArrayOutputStream out = new ByteArrayOutputStream(size);
layer.write(imageType, quality, (OutputStream)out);
byte[] bytes = out.toByteArray();
response.setContentLength(bytes.length);
response.getOutputStream().write(bytes);
} else {
layer.write(imageType, quality, (OutputStream)response.getOutputStream());
}
}
protected String getImageType() {
return "image/png";
}
protected String getImageType(String ext) {
if (ext != null) {
ext = ext.toLowerCase();
}
if ("png".equals(ext)) {
return "image/png";
}
if ("gif".equals(ext)) {
return "image/gif";
}
if ("jpg".equals(ext) || "jpeg".equals(ext)) {
return "image/jpeg";
}
return null;
}
protected double getImageQuality() {
return 1.0;
}
protected boolean checkModifiedSince(SlingHttpServletRequest req, SlingHttpServletResponse resp) {
Resource resource = req.getResource();
Node node = (Node)resource.adaptTo(Node.class);
if (node != null) {
return RequestHelper.handleIfModifiedSince((HttpServletRequest)req, (HttpServletResponse)resp, node);
}
ValueMap properties = (ValueMap)resource.adaptTo(ValueMap.class);
if (properties != null) {
return RequestHelper.handleIfModifiedSince((HttpServletRequest)req, (HttpServletResponse)resp, properties);
}
return false;
}
protected abstract Layer createLayer(ImageContext var1) throws RepositoryException, IOException;
protected boolean applyDiff(Layer layer, ImageContext c) {
if (layer == null || c.diffInfo == null) {
return false;
}
if (this.isRemovedDiff(c)) {
layer.setPaint((Paint)Color.RED);
layer.setStroke((Stroke)new BasicStroke(2.0f));
layer.drawLine(0.0f, 0.0f, (float)layer.getWidth(), (float)layer.getHeight());
layer.drawLine((float)layer.getWidth(), 0.0f, 0.0f, (float)layer.getHeight());
return true;
}
if (this.isAddedDiff(c)) {
layer.setPaint((Paint)Color.GREEN);
layer.setStroke((Stroke)new BasicStroke(3.0f));
layer.drawRect((Rectangle2D)new Rectangle(layer.getWidth(), layer.getHeight()));
return true;
}
if (this.isModifiedDiff(c)) {
layer.setPaint((Paint)Color.RED);
layer.setStroke((Stroke)new BasicStroke(3.0f));
layer.drawRect((Rectangle2D)new Rectangle(layer.getWidth(), layer.getHeight()));
return true;
}
return false;
}
protected ImageResource createImageResource(Resource resource) {
return new ImageResource(resource);
}
protected boolean isModifiedDiff(ImageContext c) {
Rectangle r0;
Dimension d1;
Rectangle r1;
if (c.diffInfo == null || c.diffInfo.getContent() == null) {
return false;
}
ImageResource img0 = this.createImageResource(c.resource);
if (!img0.hasContent()) {
return false;
}
ImageResource img1 = this.createImageResource(c.diffInfo.getContent());
if (!img1.hasContent()) {
return false;
}
try {
Calendar c0 = img0.getLastModified();
Calendar c1 = img1.getLastModified();
if (!(c0 == c1 || c0 != null && c0.equals(c1))) {
return true;
}
}
catch (RepositoryException e) {
// empty catch block
}
if (!((r0 = img0.getCropRect()) == (r1 = img1.getCropRect()) || r0 != null && r0.equals(r1))) {
return true;
}
if (img0.getRotation() != img1.getRotation()) {
return true;
}
Dimension d0 = new Dimension(img0.get(img0.getItemName("width"), 0), img0.get(img0.getItemName("height"), 0));
return !d0.equals(d1 = new Dimension(img1.get(img1.getItemName("width"), 0), img1.get(img1.getItemName("height"), 0)));
}
protected boolean isAddedDiff(ImageContext c) {
if (c.diffInfo == null) {
return false;
}
ImageResource img0 = this.createImageResource(c.resource);
if (!img0.hasContent()) {
return false;
}
if (c.diffInfo.getType() == DiffInfo.TYPE.ADDED) {
return true;
}
if (c.resource.getPath().contains("jcr:frozenNode")) {
return false;
}
Resource diffContent = c.diffInfo.getContent();
if (diffContent == null) {
return true;
}
ImageResource img1 = this.createImageResource(diffContent);
if (!img1.hasContent()) {
return true;
}
return false;
}
protected boolean isRemovedDiff(ImageContext c) {
if (c.diffInfo == null) {
return false;
}
Resource diffContent = c.diffInfo.getContent();
if (diffContent == null) {
return false;
}
ImageResource img1 = this.createImageResource(diffContent);
if (!img1.hasContent()) {
return false;
}
if (c.diffInfo.getType() == DiffInfo.TYPE.REMOVED) {
return true;
}
ImageResource img0 = this.createImageResource(c.resource);
if (!img0.hasContent()) {
return true;
}
return false;
}
public static class ImageContext {
public final SlingHttpServletRequest request;
public final Resource resource;
public final Resource defaultResource;
public final ResourceResolver resolver;
public final Node node;
public final ValueMap properties;
public final Style style;
public final Page currentPage;
public final ValueMap pageProperties;
public final Component component;
public final String requestImageType;
public final DiffInfo diffInfo;
public ImageContext(SlingHttpServletRequest request, String type) {
String vLabel;
this.request = request;
this.resource = request.getResource();
this.resolver = request.getResourceResolver();
this.node = (Node)this.resource.adaptTo(Node.class);
ValueMap props = (ValueMap)this.resource.adaptTo(ValueMap.class);
this.properties = props == null ? ValueMap.EMPTY : props;
this.style = WCMUtils.getStyle(request);
PageManager pageManager = (PageManager)this.resolver.adaptTo(PageManager.class);
this.currentPage = pageManager.getContainingPage(this.resource);
this.pageProperties = this.currentPage == null ? ValueMap.EMPTY : this.currentPage.getProperties();
this.component = WCMUtils.getComponent(this.resource);
this.requestImageType = type;
Resource vRes = null;
DiffInfo.TYPE diffType = null;
String vType = request.getParameter("cq_diffType");
if (vType != null) {
try {
diffType = DiffInfo.TYPE.valueOf((String)vType);
}
catch (IllegalArgumentException e) {
// empty catch block
}
}
if ((vLabel = request.getParameter("cq_diffTo")) != null && (vRes = DiffInfo.getVersionedResource((Resource)this.resource, (String)vLabel)) == null && diffType == null && !this.resource.getPath().contains("jcr:frozenNode")) {
diffType = DiffInfo.TYPE.ADDED;
}
String defaultResourcePath = request.getParameter("defaultImagePath");
Resource defRes = null;
if (defaultResourcePath != null) {
defRes = this.resolver.resolve(defaultResourcePath);
}
this.defaultResource = defRes;
this.diffInfo = vRes != null || diffType != null ? new DiffInfo(vRes, diffType == null ? DiffInfo.TYPE.SAME : diffType) : null;
}
}
}