/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.ext.codegen;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.logging.Logger;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.HEAD;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.MatrixParam;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.xml.namespace.QName;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.xml.sax.SAXParseException;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.PackageUtils;
import org.apache.cxf.common.util.ReflectionInvokationHandler;
import org.apache.cxf.common.xmlschema.XmlSchemaConstants;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.helpers.FileUtils;
import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.jaxb.JAXBUtils;
import org.apache.cxf.jaxb.JAXBUtils.JCodeModel;
import org.apache.cxf.jaxb.JAXBUtils.S2JJAXBModel;
import org.apache.cxf.jaxb.JAXBUtils.SchemaCompiler;
import org.apache.cxf.jaxrs.ext.RequestHandler;
import org.apache.cxf.jaxrs.model.ClassResourceInfo;
import org.apache.cxf.jaxrs.model.ProviderInfo;
import org.apache.cxf.jaxrs.model.wadl.WadlGenerator;
import org.apache.cxf.jaxrs.provider.ProviderFactory;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.message.Message;
public class CodeGeneratorProvider implements RequestHandler {
public static final String CODE_QUERY = "_code";
public static final String LANGUAGE_QUERY = "_lang";
public static final String OS_QUERY = "_os";
public static final String SOURCE_QUERY = "_source";
public static final String CODE_TYPE_QUERY = "_codeType";
public static final String CODE_TYPE_GRAMMAR = "grammar";
public static final String CODE_TYPE_PROXY = "proxy";
public static final String CODE_TYPE_WEB = "web";
private static final Logger LOG = LogUtils.getL7dLogger(CodeGeneratorProvider.class);
private static final Set<String> SUPPORTED_LANGUAGES = new HashSet<String>(
Arrays.asList(new String[]{"java"}));
private static final String TMPDIR = System.getProperty("java.io.tmpdir");
private static final String TAB = " ";
private static final Map<String, Class<?>> HTTP_METHOD_ANNOTATIONS;
private static final Map<String, Class<?>> PARAM_ANNOTATIONS;
static {
HTTP_METHOD_ANNOTATIONS = new HashMap<String, Class<?>>();
HTTP_METHOD_ANNOTATIONS.put("get", GET.class);
HTTP_METHOD_ANNOTATIONS.put("put", PUT.class);
HTTP_METHOD_ANNOTATIONS.put("post", POST.class);
HTTP_METHOD_ANNOTATIONS.put("delete", DELETE.class);
HTTP_METHOD_ANNOTATIONS.put("head", HEAD.class);
PARAM_ANNOTATIONS = new HashMap<String, Class<?>>();
PARAM_ANNOTATIONS.put("template", PathParam.class);
PARAM_ANNOTATIONS.put("header", HeaderParam.class);
PARAM_ANNOTATIONS.put("query", QueryParam.class);
PARAM_ANNOTATIONS.put("matrix", MatrixParam.class);
}
private Comparator<String> importsComparator;
private UriInfo ui;
private boolean generateInterfaces = true;
@Context
public void setUriInfo(UriInfo uriInfo) {
this.ui = uriInfo;
}
public Response handleRequest(Message m, ClassResourceInfo resourceClass) {
if (!"GET".equals(m.get(Message.HTTP_REQUEST_METHOD))) {
return null;
}
if (ui.getQueryParameters().containsKey(SOURCE_QUERY)) {
synchronized (this) {
return getSource(new File(TMPDIR, getStem(resourceClass, "zip")));
}
}
String codeQuery = ui.getQueryParameters().getFirst(CODE_QUERY);
if (codeQuery == null) {
return null;
}
String language = ui.getQueryParameters().getFirst(LANGUAGE_QUERY);
if (language != null && !SUPPORTED_LANGUAGES.contains(language)) {
return Response.noContent().entity("Unsupported language" + language).type("text/plain").build();
}
return doHandleRequest(m, resourceClass);
}
protected Response doHandleRequest(Message m, ClassResourceInfo resourceClass) {
synchronized (this) {
File zipDir = new File(TMPDIR, getStem(resourceClass, "zip"));
Response r = getLink(zipDir, m);
if (r != null) {
return r;
}
File srcDir = new File(TMPDIR, getStem(resourceClass, "src"));
if (!srcDir.exists() && !srcDir.mkdir()) {
throw new IllegalStateException("Unable to create working directory " + srcDir.getPath());
}
String codeType = ui.getQueryParameters().getFirst(CODE_TYPE_QUERY);
try {
String wadl = getWadl(m, resourceClass);
if (wadl == null) {
LOG.warning("WADL for "
+ (resourceClass != null ? resourceClass.getServiceClass().getName()
: "this service")
+ " can not be loaded");
return Response.noContent().build();
}
generateSource(wadl, srcDir, codeType);
zipSource(srcDir, zipDir);
return getLink(zipDir, m);
} catch (Exception ex) {
LOG.warning("Code can not be generated for "
+ resourceClass != null ? resourceClass.getServiceClass().getName()
: "this service");
FileUtils.removeDir(zipDir);
return Response.noContent().build();
} finally {
FileUtils.removeDir(srcDir);
}
}
}
private void zipSource(File srcDir, File zipDir) throws Exception {
if (!zipDir.exists()) {
zipDir.mkdir();
}
String pathSep = getPathSep();
File zipFile = new File(zipDir.getAbsolutePath(), "src.zip");
zipFile.createNewFile();
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipFile));
List<File> srcFiles = FileUtils.getFilesRecurse(srcDir, ".+\\.java$");
for (File f : srcFiles) {
String entryName = f.getAbsolutePath().substring(srcDir.getAbsolutePath().length() + 1);
entryName = entryName.replace(".", pathSep).replace(pathSep + "java", ".java");
zos.putNextEntry(new ZipEntry(entryName));
IOUtils.copy(new FileInputStream(f), zos);
}
zos.close();
}
private String getLineSep() {
String os = ui.getQueryParameters().getFirst(OS_QUERY);
if (os == null) {
return "\r\n";
}
return "unix".equals(os) ? "\r" : "\r\n";
}
protected String getPathSep() {
String os = ui.getQueryParameters().getFirst(OS_QUERY);
if (os == null) {
return "\\";
}
return "unix".equals(os) ? "/" : "\\";
}
private Response getSource(File zipDir) {
if (zipDir.exists()) {
File zipFile = new File(zipDir.getAbsolutePath(), "src.zip");
if (zipFile.exists()) {
try {
return Response.ok().type("application/zip").entity(new FileInputStream(zipFile)).build();
} catch (FileNotFoundException ex) {
// should not happen given we've checked it exists
throw new WebApplicationException();
}
}
}
return Response.noContent().build();
}
private Response getLink(File zipDir, Message m) {
if (zipDir.exists() && new File(zipDir.getAbsolutePath(), "src.zip").exists()) {
UriBuilder builder = ui.getAbsolutePathBuilder();
String link = builder.queryParam(SOURCE_QUERY).build().toString();
// TODO : move it into a resource template
StringBuilder sb = new StringBuilder();
sb.append("<html xmlns=\"http://www.w3.org/1999/xhtml\">");
sb.append("<head><title>Download the source</title></head>");
sb.append("<body>");
sb.append("<h1>Link:</h1><br/>");
sb.append("<ul>" + "<a href=\"" + link + "\">" + link + "</a>" + "</ul>");
sb.append("</body>");
sb.append("</html>");
m.getExchange().put(JAXRSUtils.IGNORE_MESSAGE_WRITERS, true);
return Response.ok().type("application/xhtml+xml").entity(
sb.toString()).build();
}
return null;
}
public void removeCode(ClassResourceInfo cri) {
removeCode(new File(TMPDIR, getStem(cri, "src")));
removeCode(new File(TMPDIR, getStem(cri, "zip")));
}
protected String getStem(ClassResourceInfo cri, String suffix) {
if (cri == null) {
return "cxf-jaxrs-" + suffix;
} else {
return "cxf-jaxrs-" + cri.getServiceClass().getName() + "-" + suffix;
}
}
private static void removeCode(File src) {
if (src.exists()) {
FileUtils.removeDir(src);
}
}
protected String getWadl(Message m, ClassResourceInfo resourceClass) {
m.put(Message.QUERY_STRING, WadlGenerator.WADL_QUERY);
List<ProviderInfo<RequestHandler>> shs = ProviderFactory.getInstance(m).getRequestHandlers();
// this is actually being tested by ProviderFactory unit tests but just in case
// WadlGenerator, the custom or default one, must be the first one
if (shs.size() > 0 && shs.get(0).getProvider() instanceof WadlGenerator) {
WadlGenerator wg = (WadlGenerator)shs.get(0).getProvider();
wg = new WadlGenerator(wg);
wg.setAddResourceAndMethodIds(true);
Response r = wg.handleRequest(m, resourceClass);
return r == null ? null : (String)r.getEntity();
}
return null;
}
protected void generateSource(String wadl, File srcDir, String codeType) {
Element appElement = readWadl(wadl);
Set<String> typeClassNames = new HashSet<String>();
List<Element> schemaElements = getSchemaElements(appElement);
if (!schemaElements.isEmpty()) {
// generate classes from schema
JCodeModel codeModel = createCodeModel(schemaElements, typeClassNames);
if (codeModel != null) {
generateClassesFromSchema(codeModel, srcDir);
}
}
if (!CODE_TYPE_GRAMMAR.equals(codeType)) {
generateResourceClasses(appElement, schemaElements, typeClassNames, srcDir);
}
}
private void generateResourceClasses(Element appElement, List<Element> schemaElements,
Set<String> typeClassNames, File src) {
List<Element> resourcesEls = DOMUtils.getChildrenWithName(appElement,
WadlGenerator.WADL_NS, "resources");
if (resourcesEls.size() != 1) {
throw new IllegalStateException("WADL resources element is missing");
}
List<Element> resourceEls = DOMUtils.getChildrenWithName(resourcesEls.get(0),
WadlGenerator.WADL_NS, "resource");
if (resourceEls.size() == 0) {
throw new IllegalStateException("WADL has no resource elements");
}
GrammarInfo gInfo = getGrammarInfo(appElement, schemaElements);
for (Element resource : resourceEls) {
writeResourceClass(resource, typeClassNames, gInfo, src);
}
generateMainClass(resourcesEls.get(0), src);
}
private GrammarInfo getGrammarInfo(Element appElement, List<Element> schemaElements) {
if (schemaElements.isEmpty()) {
return null;
}
Map<String, String> nsMap = new HashMap<String, String>();
NamedNodeMap attrMap = appElement.getAttributes();
for (int i = 0; i < attrMap.getLength(); i++) {
Node node = attrMap.item(i);
String nodeName = node.getNodeName();
if (nodeName.startsWith("xmlns:")) {
String nsValue = node.getNodeValue();
nsMap.put(nodeName.substring(6), nsValue);
}
}
Map<String, String> elementTypeMap = new HashMap<String, String>();
for (Element schemaEl : schemaElements) {
List<Element> elementEls = DOMUtils.getChildrenWithName(schemaEl,
XmlSchemaConstants.XSD_NAMESPACE_URI, "element");
for (Element el : elementEls) {
String type = el.getAttribute("type");
if (type.length() > 0) {
String[] pair = type.split(":");
elementTypeMap.put(el.getAttribute("name"), pair.length == 1 ? pair[0] : pair[1]);
}
}
}
return new GrammarInfo(nsMap, elementTypeMap);
}
public void generateMainClass(Element resourcesEl, File src) {
}
private void writeResourceClass(Element rElement, Set<String> typeClassNames,
GrammarInfo gInfo, File src) {
String resourceId = rElement.getAttribute("id");
String path = rElement.getAttribute("path");
if (resourceId.length() == 0) {
LOG.warning("Resource with path " + path + " can not be mapped to a class");
return;
}
QName qname = JAXRSUtils.convertStringToQName(resourceId);
if (getSchemaClassName(PackageUtils.getPackageNameByNameSpaceURI(qname.getNamespaceURI()),
gInfo, qname.getLocalPart(), typeClassNames) != null) {
return;
}
StringBuilder sbImports = new StringBuilder();
StringBuilder sbCode = new StringBuilder();
Set<String> imports = createImports();
sbImports.append(getClassComment()).append(getLineSep());
sbImports.append("package " + qname.getNamespaceURI())
.append(";").append(getLineSep()).append(getLineSep());
writeAnnotation(sbCode, imports, Path.class, path, true, false);
sbCode.append("public " + getClassType() + " " + qname.getLocalPart()
+ " {" + getLineSep() + getLineSep());
writeMethods(rElement, imports, sbCode, typeClassNames, gInfo);
List<Element> childEls = DOMUtils.getChildrenWithName(rElement,
WadlGenerator.WADL_NS, "resource");
for (Element childEl : childEls) {
if (childEl.getAttribute("id").length() == 0) {
writeMethods(childEl, imports, sbCode, typeClassNames, gInfo);
} else {
writeResourceMethod(childEl, childEl, imports, sbCode, typeClassNames, gInfo);
}
}
sbCode.append("}");
writeImports(sbImports, imports);
createJavaSourceFile(src, qname, sbCode, sbImports);
for (Element subEl : childEls) {
String id = subEl.getAttribute("id");
if (id.length() > 0 && !resourceId.equals(id) && !id.startsWith("{java")) {
writeResourceClass(subEl, typeClassNames, gInfo, src);
}
}
}
private String getClassType() {
return generateInterfaces ? "interface" : "class";
}
private String getClassComment() {
return "/**"
+ getLineSep() + " * Generated by Apache CXF"
+ getLineSep() + "**/";
}
private void writeMethods(Element rElement,
Set<String> imports, StringBuilder sbCode,
Set<String> typeClassNames, GrammarInfo gInfo) {
List<Element> methodEls = DOMUtils.getChildrenWithName(rElement,
WadlGenerator.WADL_NS, "method");
for (Element methodEl : methodEls) {
writeResourceMethod(rElement, methodEl, imports, sbCode, typeClassNames, gInfo);
}
}
private void writeAnnotation(StringBuilder sbCode, Set<String> imports,
Class<?> cls, String value, boolean nextLine, boolean addTab) {
if (value != null && value.length() == 0) {
return;
}
addImport(imports, cls.getName());
sbCode.append("@").append(cls.getSimpleName());
if (value != null) {
sbCode.append("(\"" + value + "\")");
}
if (nextLine) {
sbCode.append(getLineSep());
if (addTab) {
sbCode.append(TAB);
}
}
}
private void addImport(Set<String> imports, String clsName) {
if (imports == null || clsName.startsWith("java.lang")) {
return;
}
if (!imports.contains(clsName)) {
imports.add(clsName);
}
}
private void writeImports(StringBuilder sbImports, Set<String> imports) {
for (String clsName : imports) {
sbImports.append("import " + clsName).append(";").append(getLineSep());
}
}
private void writeResourceMethod(Element resourceEl, Element methodEl,
Set<String> imports, StringBuilder sbCode,
Set<String> typeClassNames, GrammarInfo gInfo) {
String id = methodEl.getAttribute("id");
String methodName = methodEl.getAttribute("name");
String path = resourceEl.getAttribute("path");
if (id.length() == 0) {
LOG.warning("Method with path " + path + " can not be mapped to a class method");
return;
}
sbCode.append(TAB);
writeAnnotation(sbCode, imports, Path.class, path, true, true);
if (methodName.length() > 0) {
if (HTTP_METHOD_ANNOTATIONS.containsKey(methodName.toLowerCase())) {
writeAnnotation(sbCode, imports,
HTTP_METHOD_ANNOTATIONS.get(methodName.toLowerCase()), null, true, true);
} else {
// TODO : write a custom annotation class based on HttpMethod
}
}
List<Element> responseEls = DOMUtils.getChildrenWithName(methodEl,
WadlGenerator.WADL_NS, "response");
List<Element> requestEls = DOMUtils.getChildrenWithName(methodEl,
WadlGenerator.WADL_NS, "request");
if (methodName.length() > 0) {
writeFormatAnnotations(requestEls, sbCode, imports, true);
writeFormatAnnotations(responseEls, sbCode, imports, false);
}
if (!generateInterfaces) {
sbCode.append("public ");
}
boolean responseTypeAvailable = true;
if (methodName.length() > 0) {
responseTypeAvailable = writeResponseType(responseEls, sbCode, imports, typeClassNames, gInfo);
sbCode.append(id);
} else {
QName qname = JAXRSUtils.convertStringToQName(id);
String packageName = PackageUtils.getPackageNameByNameSpaceURI(qname.getNamespaceURI());
String clsSimpleName = getSchemaClassName(packageName, gInfo, qname.getLocalPart(),
typeClassNames);
String localName = clsSimpleName == null ? qname.getLocalPart()
: clsSimpleName.substring(packageName.length() + 1);
String parentId = ((Element)resourceEl.getParentNode()).getAttribute("id");
writeSubResponseType(id.equals(parentId), clsSimpleName == null ? qname.getNamespaceURI()
: clsSimpleName.substring(0, packageName.length()), localName, sbCode, imports);
// TODO : we need to take care of multiple subresource locators with diff @Path
// returning the same type; also we might have ids like "{org.apache.cxf}Book#getName"
sbCode.append("get" + localName);
}
sbCode.append("(");
List<Element> inParamElements = new LinkedList<Element>();
inParamElements.addAll(DOMUtils.getChildrenWithName(resourceEl,
WadlGenerator.WADL_NS, "param"));
boolean form = false;
if (requestEls.size() == 1 && inParamElements.size() == 0) {
inParamElements.addAll(DOMUtils.getChildrenWithName(requestEls.get(0),
WadlGenerator.WADL_NS, "param"));
addFormParameters(inParamElements, requestEls.get(0));
form = true;
}
writeRequestTypes(requestEls, inParamElements, sbCode, imports, typeClassNames, gInfo,
form);
sbCode.append(")");
if (generateInterfaces) {
sbCode.append(";");
} else {
generateEmptyMethodBody(sbCode, responseTypeAvailable);
}
sbCode.append(getLineSep()).append(getLineSep());
}
protected void generateEmptyMethodBody(StringBuilder sbCode, boolean responseTypeAvailable) {
sbCode.append(" {");
sbCode.append(getLineSep()).append(TAB).append(TAB);
sbCode.append("//TODO: implement").append(getLineSep()).append(TAB);
if (responseTypeAvailable) {
sbCode.append(TAB).append("return null;").append(getLineSep()).append(TAB);
}
sbCode.append("}");
}
private void addFormParameters(List<Element> inParamElements, Element requestEl) {
List<Element> repElements =
DOMUtils.getChildrenWithName(requestEl, WadlGenerator.WADL_NS, "representation");
if (repElements.size() == 1) {
String mediaType = repElements.get(0).getAttribute("mediaType");
if (MediaType.APPLICATION_FORM_URLENCODED.equals(mediaType)) {
inParamElements.addAll(DOMUtils.getChildrenWithName(repElements.get(0),
WadlGenerator.WADL_NS, "param"));
}
}
}
private boolean writeResponseType(List<Element> responseEls, StringBuilder sbCode,
Set<String> imports, Set<String> typeClassNames,
GrammarInfo gInfo) {
List<Element> repElements = responseEls.size() == 1
? DOMUtils.getChildrenWithName(responseEls.get(0), WadlGenerator.WADL_NS, "representation")
: CastUtils.cast(Collections.emptyList(), Element.class);
if (repElements.size() == 0) {
sbCode.append("void ");
return false;
}
String elementName = getElementRefName(repElements, typeClassNames, gInfo, imports);
if (elementName != null) {
sbCode.append(elementName + " ");
} else {
addImport(imports, Response.class.getName());
sbCode.append("Response ");
}
return true;
}
private void writeSubResponseType(boolean recursive, String ns, String localName,
StringBuilder sbCode, Set<String> imports) {
if (!recursive && ns.length() > 0) {
addImport(imports, ns + "." + localName);
}
sbCode.append(localName).append(" ");
}
private void writeRequestTypes(List<Element> requestEls,
List<Element> inParamEls,
StringBuilder sbCode,
Set<String> imports,
Set<String> typeClassNames,
GrammarInfo gInfo,
boolean form) {
String elementName = null;
List<Element> repElements = requestEls.size() == 1
? DOMUtils.getChildrenWithName(requestEls.get(0), WadlGenerator.WADL_NS, "representation")
: CastUtils.cast(Collections.emptyList(), Element.class);
if (repElements.size() > 0) {
elementName = getElementRefName(repElements, typeClassNames, gInfo, imports);
}
if (elementName != null) {
sbCode.append(elementName).append(" ").append(elementName.toLowerCase());
if (inParamEls.size() > 0) {
sbCode.append(", ");
}
} else if (inParamEls.size() == 0) {
if (form) {
addImport(imports, MultivaluedMap.class.getName());
sbCode.append("MultivaluedMap map");
}
return;
}
for (int i = 0; i < inParamEls.size(); i++) {
Element paramEl = inParamEls.get(i);
String name = paramEl.getAttribute("name");
Class<?> paramAnnotation = form ? FormParam.class
: PARAM_ANNOTATIONS.get(paramEl.getAttribute("style"));
writeAnnotation(sbCode, imports, paramAnnotation, name, false, false);
String type = getPrimitiveType(paramEl);
sbCode.append(" ").append(type).append(" ").append(name.replace('.', '_'));
if (i + 1 < inParamEls.size()) {
sbCode.append(", ");
if (i + 1 >= 4 && ((i + 1) % 4) == 0) {
sbCode.append(getLineSep()).append(TAB).append(TAB).append(TAB).append(TAB);
}
}
}
}
private String getPrimitiveType(Element paramEl) {
String type = paramEl.getAttribute("type");
if (type == null) {
return "String";
}
String[] pair = type.split(":");
String value = pair.length == 2 ? pair[1] : type;
return "string".equals(value) ? "String" : value;
}
private String getElementRefName(List<Element> repElements, Set<String> typeClassNames,
GrammarInfo gInfo, Set<String> imports) {
String elementRef = null;
for (Element el : repElements) {
String value = el.getAttribute("element");
if (value.length() > 0) {
elementRef = value;
break;
}
}
if (elementRef != null) {
String[] pair = elementRef.split(":");
if (pair.length == 2) {
String namespace = gInfo != null ? gInfo.getNsMap().get(pair[0]) : null;
if (namespace == null) {
return null;
}
String packageName = PackageUtils.getPackageNameByNameSpaceURI(namespace);
String clsName = getSchemaClassName(packageName, gInfo, pair[1], typeClassNames);
if (clsName != null) {
addImport(imports, clsName);
return clsName.substring(packageName.length() + 1);
}
}
}
return null;
}
private String getSchemaClassName(String packageName, GrammarInfo gInfo, String localName,
Set <String> typeClassNames) {
String clsName = matchClassName(typeClassNames, packageName, localName);
if (clsName == null && gInfo != null) {
clsName = matchClassName(typeClassNames, packageName,
gInfo.getElementTypeMap().get(localName));
}
return clsName;
}
private String matchClassName(Set<String> typeClassNames, String packageName, String localName) {
if (localName == null) {
return null;
}
String clsName = packageName + "." + localName;
for (String type : typeClassNames) {
if (type.toLowerCase().equals(clsName)) {
return type;
}
}
return null;
}
private void writeFormatAnnotations(List<Element> parentEls, StringBuilder sbCode,
Set<String> imports, boolean inRep) {
List<Element> repElements = parentEls.size() == 1
? DOMUtils.getChildrenWithName(parentEls.get(0), WadlGenerator.WADL_NS, "representation")
: CastUtils.cast(Collections.emptyList(), Element.class);
if (repElements.size() == 0) {
return;
}
Class<?> cls = inRep ? Consumes.class : Produces.class;
addImport(imports, cls.getName());
sbCode.append("@").append(cls.getSimpleName()).append("(");
if (repElements.size() > 1) {
sbCode.append("{");
}
for (int i = 0; i < repElements.size(); i++) {
String mediaType = repElements.get(i).getAttribute("mediaType");
if (mediaType != null) {
sbCode.append("\"" + mediaType + "\"");
if (i + 1 < repElements.size()) {
sbCode.append(", ");
}
}
}
if (repElements.size() > 1) {
sbCode.append(" }");
}
sbCode.append(")");
sbCode.append(getLineSep()).append(TAB);
}
private void createJavaSourceFile(File src, QName qname, StringBuilder sbCode, StringBuilder sbImports) {
String content = sbImports.toString() + getLineSep() + sbCode.toString();
File currentDir = new File(src.getAbsolutePath(), qname.getNamespaceURI());
currentDir.mkdirs();
File file = new File(currentDir.getAbsolutePath(), qname.getLocalPart() + ".java");
try {
file.createNewFile();
FileOutputStream fos = new FileOutputStream(file);
fos.write(content.getBytes());
fos.close();
} catch (FileNotFoundException ex) {
LOG.warning(file.getAbsolutePath() + " is not found");
} catch (IOException ex) {
LOG.warning("Problem writing into " + file.getAbsolutePath());
}
}
private Element readWadl(String wadl) {
try {
Document doc = DOMUtils.readXml(new StringReader(wadl));
return doc.getDocumentElement();
} catch (Exception ex) {
throw new IllegalStateException("Unable to read wadl", ex);
}
}
private void generateClassesFromSchema(JCodeModel codeModel, File src) {
try {
Object writer = JAXBUtils.createFileCodeWriter(src);
codeModel.build(writer);
} catch (Exception e) {
throw new IllegalStateException("Unable to write generated Java files for schemas: "
+ e.getMessage(), e);
}
List<File> srcFiles = FileUtils.getFilesRecurse(src, ".+\\.java$");
for (File f : srcFiles) {
System.out.println(f.getAbsolutePath());
}
}
private List<Element> getSchemaElements(Element appElement) {
List<Element> grammarEls = DOMUtils.getChildrenWithName(appElement,
WadlGenerator.WADL_NS, "grammars");
if (grammarEls.size() != 1) {
return null;
}
List<Element> schemasEls = DOMUtils.getChildrenWithName(grammarEls.get(0),
XmlSchemaConstants.XSD_NAMESPACE_URI, "schema");
//TODO : check remote referencs if size() == 0
return schemasEls;
}
private JCodeModel createCodeModel(List<Element> schemaElements, Set<String> type) {
SchemaCompiler compiler = createCompiler(type);
addSchemas(schemaElements, compiler);
S2JJAXBModel intermediateModel = compiler.bind();
Object elForRun = ReflectionInvokationHandler
.createProxyWrapper(new InnerErrorListener(),
JAXBUtils.getParamClass(compiler, "setErrorListener"));
JCodeModel codeModel = intermediateModel.generateCode(null, elForRun);
JAXBUtils.logGeneratedClassNames(LOG, codeModel);
return codeModel;
}
private SchemaCompiler createCompiler(Set<String> typeClassNames) {
return JAXBUtils.createSchemaCompilerWithDefaultAllocator(typeClassNames);
}
private void addSchemas(List<Element> schemaElements, SchemaCompiler compiler) {
for (int i = 0; i < schemaElements.size(); i++) {
String key = Integer.toString(i);
//For JAXB 2.1.8
InputSource is = new InputSource((InputStream)null);
is.setSystemId(key);
is.setPublicId(key);
compiler.getOptions().addGrammar(is);
compiler.parseSchema(key, schemaElements.get(i));
}
}
public void setImportsComparator(Comparator<String> importsComparator) {
this.importsComparator = importsComparator;
}
private Set<String> createImports() {
return importsComparator == null ? new TreeSet<String>() : new TreeSet<String>(importsComparator);
}
public void setGenerateInterfaces(boolean generateInterfaces) {
this.generateInterfaces = generateInterfaces;
}
private static class GrammarInfo {
private Map<String, String> nsMap;
private Map<String, String> elementTypeMap;
public GrammarInfo(Map<String, String> nsMap, Map<String, String> elementTypeMap) {
this.nsMap = nsMap;
this.elementTypeMap = elementTypeMap;
}
public Map<String, String> getNsMap() {
return nsMap;
}
public Map<String, String> getElementTypeMap() {
return elementTypeMap;
}
}
static class InnerErrorListener {
public void error(SAXParseException ex) {
throw new RuntimeException("Error compiling schema from WADL : "
+ ex.getMessage(), ex);
}
public void fatalError(SAXParseException ex) {
throw new RuntimeException("Fatal error compiling schema from WADL : "
+ ex.getMessage(), ex);
}
public void info(SAXParseException ex) {
// ignore
}
public void warning(SAXParseException ex) {
// ignore
}
}
}