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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
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*
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* 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
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
// Portions Copyright [2019-2021] Payara Foundation and/or affiliates
package org.glassfish.admin.rest.wadl;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.TreeSet;
import java.util.logging.Level;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.Path;
import jakarta.xml.bind.JAXBContext;
import jakarta.xml.bind.JAXBException;
import jakarta.xml.bind.SchemaOutputResolver;
import javax.xml.transform.stream.StreamResult;
import org.glassfish.admin.rest.RestLogging;
import org.glassfish.admin.rest.composite.LegacyCompositeResource;
import org.glassfish.admin.rest.composite.RestModel;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.glassfish.internal.api.Globals;
import org.jvnet.hk2.annotations.Service;
/**
*
* @author jdlee
*/
@Path("/schema.xsd")
@Service
public class RestModelSchemaResource extends LegacyCompositeResource {
@GET
@Path("old")
public String getSchema() throws JAXBException, IOException {
Set> classes = new TreeSet>(new Comparator>() {
@Override
public int compare(Class t, Class t1) {
return t.getName().compareTo(t1.getName());
}
});
for (String c : locateRestModels()) {
try {
Class modelClass = loadClass(c);
if (modelClass.getSimpleName().charAt(0) < 'C') {
classes.add(getCompositeUtil().getModel(modelClass).getClass());
}
} catch (ClassNotFoundException ex) {
RestLogging.restLogger.log(Level.WARNING, null, ex);
}
}
JAXBContext jc = JAXBContext.newInstance(classes.toArray(new Class[classes.size()]));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
jc.generateSchema(new MySchemaOutputResolver(baos));
return new String(baos.toByteArray());
}
@GET
@Path("test1")
public String getSchema1() throws JAXBException, IOException {
Set> classes = new TreeSet>(new Comparator>() {
@Override
public int compare(Class t, Class t1) {
return t.getName().compareTo(t1.getName());
}
});
try {
Class modelClass = loadClass("org.glassfish.admin.rest.resources.composite.Job");
classes.add(getCompositeUtil().getModel(modelClass).getClass());
modelClass = loadClass("org.glassfish.admin.rest.resources.composite.Dummy");
classes.add(getCompositeUtil().getModel(modelClass).getClass());
} catch (ClassNotFoundException ex) {
RestLogging.restLogger.log(Level.WARNING, null, ex);
}
JAXBContext jc = JAXBContext.newInstance(classes.toArray(new Class[classes.size()]));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
jc.generateSchema(new MySchemaOutputResolver(baos));
return new String(baos.toByteArray());
}
@GET
public String getSchemaManually() {
StringBuilder sb = new StringBuilder("\n"
+ "\n");
StringBuilder complexTypes = new StringBuilder();
addElement(sb, "object");
processClass(complexTypes, Object.class, "object");
for (String c : locateRestModels()) {
try {
Class modelClass = getCompositeUtil().getModel(loadClass(c)).getClass();
String simpleName = modelClass.getSimpleName().toLowerCase(Locale.getDefault());
if (simpleName.endsWith("impl")) {
simpleName = simpleName.substring(0, simpleName.length() -4);
}
addElement(sb, simpleName);
processClass(complexTypes, modelClass, simpleName);
} catch (ClassNotFoundException ex) {
RestLogging.restLogger.log(Level.WARNING, null, ex);
}
}
sb.append(complexTypes);
return sb.append("\n").toString();
}
/*
* TODO: This is a bit ugly, but JAXB doesn't seem to like the way we're doing models. When
* time permits, it may be best to revisit this and see why JAXB dies when given, for example,
* a List or Object return type. Once that's resolved, we may be able to use JAXB serialization.
*/
protected void processClass(StringBuilder sb, Class c, String simpleName) {
sb.append("\t\n\t\t\n");
for (Class i : c.getInterfaces()) {
for (Method m : i.getDeclaredMethods()) {
String name = m.getName();
if (name.startsWith("get") && !"getClass".equals(name)) {
name = name.substring(3, 4).toLowerCase(Locale.getDefault()) + name.substring(4);
Class returnType = m.getReturnType();
sb.append("\t\t\t)rt.getActualTypeArguments()[0];
sb.append(getType(returnType))
.append(" nillable=\"true\" minOccurs=\"0\" maxOccurs=\"unbounded\"");
}
sb.append("/>\n");
}
}
}
sb.append("\t\t\n\t\n");
}
private String getType(Class clazz) {
if (clazz.isPrimitive()) {
return "type=\"xs:" + clazz.getSimpleName() + "\"";
} else if (WRAPPER_TYPES.contains(clazz)
|| String.class.equals(clazz)) {
return "type=\"xs:"
+ clazz.getSimpleName().toLowerCase(Locale.getDefault()) +"\"";
} else {
return "type=\"" + clazz.getSimpleName().toLowerCase(Locale.getDefault()) + "\"";
}
}
private static final Set> WRAPPER_TYPES = new HashSet() {{
add(Boolean.class);
add(Character.class);
add(Byte.class);
add(Short.class);
add(Integer.class);
add(Long.class);
add(Float.class);
add(Double.class);
add(Void.class);
}};
private Set locateRestModels() {
Set classes = new HashSet();
List> widgetDescriptors = Globals.getDefaultBaseServiceLocator()
.getDescriptors(BuilderHelper.createContractFilter(RestModel.class.getName()));
for (ActiveDescriptor ad : widgetDescriptors) {
classes.add(ad.getImplementation());
}
return classes;
}
private Class loadClass(String className) throws ClassNotFoundException {
try {
return Thread.currentThread().getContextClassLoader().loadClass(className);
} catch (ClassNotFoundException ex) {
return getClass().getClassLoader().loadClass(className);
}
}
private void addElement(StringBuilder sb, String simpleName) {
sb.append("\t\n");
}
private static class MySchemaOutputResolver extends SchemaOutputResolver {
ByteArrayOutputStream baos;
public MySchemaOutputResolver(ByteArrayOutputStream baos) {
this.baos = baos;
}
@Override
public javax.xml.transform.Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
StreamResult r = new StreamResult("argh");
r.setOutputStream(baos);
return r;
}
}
}
