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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
* Portions Copyright [2017-2021] Payara Foundation and/or affiliates
*/
package org.glassfish.admin.rest.provider;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.HttpHeaders;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.core.UriInfo;
import jakarta.ws.rs.ext.MessageBodyWriter;
import jakarta.ws.rs.ext.Provider;
import org.glassfish.admin.rest.Constants;
import static org.glassfish.admin.rest.provider.ProviderUtil.*;
import org.glassfish.admin.rest.utils.ConfigModelComparator;
import org.glassfish.admin.rest.utils.DomConfigurator;
import org.glassfish.admin.rest.utils.ResourceUtil;
import org.glassfish.admin.restconnector.RestConfig;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.config.ConfigModel;
import org.jvnet.hk2.config.Dom;
/**
* @author Jason Lee
*/
@Provider
public abstract class BaseProvider implements MessageBodyWriter {
public static final String HEADER_DEBUG = "__debug";
public static final String JSONP_CALLBACK = "jsoncallback";
@Context
protected jakarta.inject.Provider uriInfo;
@Context
protected jakarta.inject.Provider requestHeaders;
@Context
protected ServiceLocator habitat;
protected Class desiredType;
protected MediaType[] supportedMediaTypes;
public BaseProvider(Class desiredType, MediaType ... mediaType) {
this.desiredType = desiredType;
if (mediaType == null) {
mediaType = new MediaType[0];
}
this.supportedMediaTypes = mediaType;
}
@Override
public boolean isWriteable(Class type, Type genericType, Annotation[] antns, MediaType mt) {
if (isGivenTypeWritable(type, genericType)) {
for (MediaType supportedMediaType : supportedMediaTypes) {
if (mt.isCompatible(supportedMediaType)) {
return true;
}
}
}
return false;
}
/** Overwrite this if you need different test of type compatibility.
* Used from isWritable method.
*/
protected boolean isGivenTypeWritable(Class type, Type genericType) {
return desiredType.isAssignableFrom(type);
}
@Override
public long getSize(T t, Class type, Type type1, Annotation[] antns, MediaType mt) {
return -1;
}
@Override
public void writeTo(T proxy, Class type, Type genericType, Annotation[] annotations, MediaType mediaType,
MultivaluedMap httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
entityStream.write(getContent(proxy).getBytes(Constants.ENCODING));
}
public abstract String getContent(T proxy);
/**
* returns true if the HTML viewer displays the hidden CLI command links
*/
protected boolean canShowHiddenCommands() {
RestConfig rg = ResourceUtil.getRestConfig(habitat);
return (rg != null) && (rg.getShowHiddenCommands().equalsIgnoreCase("true"));
}
/**
* returns true if the HTML viewer displays the deprecated elements or attributes
* of a config bean
*/
protected boolean canShowDeprecatedItems() {
RestConfig rg = ResourceUtil.getRestConfig(habitat);
return (rg != null) && (rg.getShowDeprecatedItems().equalsIgnoreCase("true"));
}
/**
* check for the __debug request header
*
*/
protected boolean isDebug() {
RestConfig rg = ResourceUtil.getRestConfig(habitat);
if ((rg != null) && (rg.getDebug().equalsIgnoreCase("true"))) {
return true;
}
if (requestHeaders == null) {
return true;
}
List header = requestHeaders.get().getRequestHeader(HEADER_DEBUG);
return (header != null) && ("true".equals(header.get(0)));
}
/**
* if a query param of name "jsoncallback" is there, returns its value
* or returns null otherwise.
*/
protected String getCallBackJSONP() {
if (uriInfo == null) {
return null;
}
MultivaluedMap l = uriInfo.get().getQueryParameters();
if (l == null) {
return null;
}
return l.getFirst(JSONP_CALLBACK);
}
protected String getXmlCommandLinks(String[][] commandResourcesPaths, String indent) {
StringBuilder result = new StringBuilder();
for (String[] commandResourcePath : commandResourcesPaths) {
result.append("\n").append(indent).append(getStartXmlElement(KEY_COMMAND)).append(getElementLink(uriInfo.get(), commandResourcePath[0])).append(getEndXmlElement(KEY_COMMAND));
}
return result.toString();
}
protected Map getResourceLinks(Dom dom) {
Map links = new TreeMap();
Set elementNames = dom.model.getElementNames();
for (String elementName : elementNames) { //for each element
if (elementName.equals("*")) {
ConfigModel.Node node = (ConfigModel.Node) dom.model.getElement(elementName);
ConfigModel childModel = node.getModel();
List lcm = ResourceUtil.getRealChildConfigModels(childModel, dom.document);
Collections.sort(lcm, new ConfigModelComparator());
if (lcm != null) {
Collections.sort(lcm, new ConfigModelComparator());
for (ConfigModel cmodel : lcm) {
links.put(cmodel.getTagName(), ProviderUtil.getElementLink(uriInfo.get(), cmodel.getTagName()));
}
}
} else {
links.put(elementName, ProviderUtil.getElementLink(uriInfo.get(), elementName));
}
}
return links;
}
protected Map getResourceLinks(List proxyList) {
Map links = new TreeMap();
Collections.sort(proxyList, new DomConfigurator());
for (Dom proxy : proxyList) { //for each element
try {
links.put(proxy.getKey(), getElementLink(uriInfo.get(), proxy.getKey()));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return links;
}
}