DefaultGETServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.adobe.reef.siren.Entity
* javax.servlet.ServletException
* org.apache.commons.lang.StringUtils
* org.apache.felix.scr.annotations.Activate
* 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.request.RequestParameter
* org.apache.sling.api.request.RequestParameterMap
* org.apache.sling.api.request.RequestPathInfo
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceMetadata
* org.apache.sling.api.resource.ResourceWrapper
* org.apache.sling.api.servlets.SlingSafeMethodsServlet
* org.apache.sling.commons.osgi.PropertiesUtil
* org.osgi.service.component.ComponentContext
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.adobe.granite.rest.impl.servlet;
import com.adobe.granite.rest.ResourceManager;
import com.adobe.granite.rest.RestException;
import com.adobe.granite.rest.converter.ResourceConverter;
import com.adobe.granite.rest.converter.ResourceConverterContext;
import com.adobe.granite.rest.filter.Filter;
import com.adobe.granite.rest.filter.FilterFactory;
import com.adobe.granite.rest.filter.impl.CompositeFilter;
import com.adobe.granite.rest.filter.impl.FilterFactoryProvider;
import com.adobe.granite.rest.impl.ApiEndpointResourceProviderFactory;
import com.adobe.granite.rest.impl.SearchResultsResource;
import com.adobe.reef.siren.Entity;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Dictionary;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletException;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Activate;
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.request.RequestParameter;
import org.apache.sling.api.request.RequestParameterMap;
import org.apache.sling.api.request.RequestPathInfo;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceMetadata;
import org.apache.sling.api.resource.ResourceWrapper;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
import org.apache.sling.commons.osgi.PropertiesUtil;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=1, label="Adobe Granite REST Default GET Servlet", description="Default servlet handling REST API GET requests")
@Service
@Properties(value={@Property(name="sling.servlet.methods", value={"GET"}, propertyPrivate=1), @Property(name="sling.servlet.extensions", value={"json"}, propertyPrivate=1), @Property(name="sling.servlet.resourceTypes", value={"granite/rest/core/resource"}, propertyPrivate=1), @Property(name="sling.servlet.prefix", intValue={0}, propertyPrivate=1)})
public class DefaultGETServlet
extends SlingSafeMethodsServlet {
private static final int DEFAULT_LIMIT = 20;
private static final int DEFAULT_OFFSET = 0;
private static final boolean DEFAULT_ABSOLUT_URI = true;
private static final String PREFIX_FILTER = "filter.";
private final Logger log;
@Property(label="Limit parameter default", description="Default value for the limit request parameter. Default is 20.", intValue={20})
private static final String CFG_DEFAULT_LIMIT = "default.limit";
private int defaultLimit;
@Property(label="Use absolute URIs", description="Forces usage of absolutes URIs in the response. Default is true.", boolValue={1})
private static final String CFG_USE_ABSOLUT_URI = "use.absolute.uri";
private boolean useAbsoluteURI;
@Reference
private FilterFactoryProvider filterFactoryProvider;
@Reference
private ApiEndpointResourceProviderFactory apiEndpointResourceProviderFactory;
public DefaultGETServlet() {
this.log = LoggerFactory.getLogger(this.getClass());
this.defaultLimit = 20;
}
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
response.setContentType("application/vnd.siren+json");
response.setCharacterEncoding("UTF-8");
ResourceConverterContext context = this.getContext(request);
try {
Resource resource = this.unwrap(request.getResource());
String query = request.getParameter("query");
if (StringUtils.isNotBlank((String)query)) {
ResourceManager resourceMgr = (ResourceManager)request.adaptTo(ResourceManager.class);
Resource searchResult = this.performSearch(resourceMgr, resource, query);
if (searchResult == null) {
response.setStatus(500);
return;
}
resource = searchResult;
}
long ims = request.getDateHeader("If-Modified-Since");
long modificationTime = (long)(Math.floor((double)resource.getResourceMetadata().getModificationTime() / 1000.0) * 1000.0);
if (ims < 0 || modificationTime > ims) {
response.setDateHeader("Last-Modified", modificationTime);
ResourceConverter renderer = (ResourceConverter)resource.adaptTo(ResourceConverter.class);
if (renderer != null) {
Entity entity = (Entity)renderer.toEntity(context);
response.getWriter().write(entity.toString());
} else {
response.setStatus(404);
}
} else {
response.setStatus(304);
}
}
catch (Exception e) {
throw new ServletException(e.getMessage(), (Throwable)e);
}
}
private Resource performSearch(ResourceManager resourceMgr, Resource resource, String query) throws UnsupportedOperationException, RestException {
if (resourceMgr != null) {
List<Resource> results = resourceMgr.find(resource, query);
return new SearchResultsResource(resource, resource.getPath(), results);
}
return null;
}
private CompositeFilter<Resource> getFilterForRequest(SlingHttpServletRequest request) {
CompositeFilter filter = new CompositeFilter();
for (Map.Entry parameter : request.getRequestParameterMap().entrySet()) {
String paramName = (String)parameter.getKey();
if (!paramName.startsWith("filter.")) continue;
String suffix = StringUtils.removeStart((String)paramName, (String)"filter.");
String value = ((RequestParameter[])parameter.getValue())[0].getString();
FilterFactory filterFactory = this.filterFactoryProvider.getFilterFactory(suffix);
if (filterFactory != null) {
Filter<Resource> specificFilter = filterFactory.getFilter(value);
filter.addFilter(specificFilter);
continue;
}
this.log.warn("Filter with suffix {} could not be found.", (Object)suffix);
}
return filter;
}
private ResourceConverterContext getContext(SlingHttpServletRequest request) {
ResourceConverterContext context = new ResourceConverterContext();
context.setLimit(this.getLimit(request));
context.setOffset(this.getOffset(request));
context.setFilter(this.getFilterForRequest(request));
context.setShowAllProperties(this.getShowAllProperties(request));
context.setShowProperties(this.getShowProperties(request));
context.setScheme(request.getScheme());
context.setServerName(request.getServerName());
context.setServerPort(request.getServerPort());
context.setContextPath(request.getContextPath());
context.setRequestPathInfo(request.getRequestPathInfo());
context.setParameters(request.getParameterMap());
context.setAbsolutURI(this.useAbsoluteURI);
return context;
}
private int getLimit(SlingHttpServletRequest request) {
int limit = this.defaultLimit;
String s = request.getParameter("limit");
if (s != null && !"".equals(s)) {
limit = Integer.parseInt(s);
}
return limit;
}
private int getOffset(SlingHttpServletRequest request) {
int offset = 0;
String s = request.getParameter("offset");
if (s != null && !"".equals(s)) {
offset = Integer.parseInt(s);
}
return offset;
}
private boolean getShowAllProperties(SlingHttpServletRequest request) {
boolean showAll = false;
String value = request.getParameter("showAllProperties");
if (value != null) {
showAll = Boolean.parseBoolean(value);
}
return showAll;
}
private String[] getShowProperties(SlingHttpServletRequest request) {
return request.getParameterValues("showProperty");
}
private Resource unwrap(Resource resource) {
Resource result = resource;
while (result instanceof ResourceWrapper) {
result = ((ResourceWrapper)result).getResource();
}
return result;
}
@Activate
protected void activate(ComponentContext context) {
Dictionary dict = context.getProperties();
this.defaultLimit = PropertiesUtil.toInteger(dict.get("default.limit"), (int)20);
this.useAbsoluteURI = PropertiesUtil.toBoolean(dict.get("use.absolute.uri"), (boolean)true);
}
protected void bindFilterFactoryProvider(FilterFactoryProvider filterFactoryProvider) {
this.filterFactoryProvider = filterFactoryProvider;
}
protected void unbindFilterFactoryProvider(FilterFactoryProvider filterFactoryProvider) {
if (this.filterFactoryProvider == filterFactoryProvider) {
this.filterFactoryProvider = null;
}
}
protected void bindApiEndpointResourceProviderFactory(ApiEndpointResourceProviderFactory apiEndpointResourceProviderFactory) {
this.apiEndpointResourceProviderFactory = apiEndpointResourceProviderFactory;
}
protected void unbindApiEndpointResourceProviderFactory(ApiEndpointResourceProviderFactory apiEndpointResourceProviderFactory) {
if (this.apiEndpointResourceProviderFactory == apiEndpointResourceProviderFactory) {
this.apiEndpointResourceProviderFactory = null;
}
}
}