Java JClass类代码示例

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * Generates the minimum {@link JDefinedClass} skeleton
 * without filling in its body.
 */
private ClassOutlineImpl generateClassDef(CClassInfo bean) {
    ImplStructureStrategy.Result r = model.strategy.createClasses(this, bean);
    JClass implRef;

    if (bean.getUserSpecifiedImplClass() != null) {
        // create a place holder for a user-specified class.
        JDefinedClass usr;
        try {
            usr = codeModel._class(bean.getUserSpecifiedImplClass());
            // but hide that file so that it won't be generated.
            usr.hide();
        } catch (JClassAlreadyExistsException e) {
            // it's OK for this to collide.
            usr = e.getExistingClass();
        }
        usr._extends(r.implementation);
        implRef = usr;
    } else {
        implRef = r.implementation;
    }

    return new ClassOutlineImpl(this, bean, r.exposed, r.implementation, implRef);
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public JClass generateStaticClass(Class src, JPackage out) {
    String shortName = getShortName(src.getName());

    // some people didn't like our jars to contain files with .java extension,
    // so when we build jars, we'' use ".java_". But when we run from the workspace,
    // we want the original source code to be used, so we check both here.
    // see bug 6211503.
    URL res = src.getResource(shortName + ".java");
    if (res == null) {
        res = src.getResource(shortName + ".java_");
    }
    if (res == null) {
        throw new InternalError("Unable to load source code of " + src.getName() + " as a resource");
    }

    JStaticJavaFile sjf = new JStaticJavaFile(out, shortName, res, null);
    out.addResourceFile(sjf);
    return sjf.getJClass();
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public void toRawValue(JBlock block, JVar $var) {
    JCodeModel cm = outline().getCodeModel();
    JClass elementType = ei.toType(outline(),EXPOSED).boxify();

    // [RESULT]
    // $var = new ArrayList();
    // for( JAXBElement e : [core.toRawValue] ) {
    //   if(e==null)
    //     $var.add(null);
    //   else
    //     $var.add(e.getValue());
    // }

    block.assign($var,JExpr._new(cm.ref(ArrayList.class).narrow(itemType().boxify())));
    JVar $col = block.decl(core.getRawType(), "col" + hashCode());
    acc.toRawValue(block,$col);
    JForEach loop = block.forEach(elementType, "v" + hashCode()/*unique string handling*/, $col);

    JConditional cond = loop.body()._if(loop.var().eq(JExpr._null()));
    cond._then().invoke($var,"add").arg(JExpr._null());
    cond._else().invoke($var,"add").arg(loop.var().invoke("getValue"));
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
    JCodeModel cm = outline().getCodeModel();
    JClass elementType = ei.toType(outline(),EXPOSED).boxify();

    // [RESULT]
    // $t = new ArrayList();
    // for( Type e : $var ) {
    //     $var.add(new JAXBElement(e));
    // }
    // [core.fromRawValue]

    JClass col = cm.ref(ArrayList.class).narrow(elementType);
    JVar $t = block.decl(col,uniqueName+"_col",JExpr._new(col));

    JForEach loop = block.forEach(itemType(), uniqueName+"_i", $t);
    loop.body().invoke($var,"add").arg(createJAXBElement(loop.var()));

    acc.fromRawValue(block, uniqueName, $t);
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/** Gets the xjc:superClass customization if it's turned on. */
public JClass getSuperClass() {
    Element sc = DOMUtil.getElement(dom,XJC_NS,"superClass");
    if (sc == null) return null;

    JDefinedClass c;

    try {
        String v = DOMUtil.getAttribute(sc,"name");
        if(v==null)     return null;
        c = codeModel._class(v);
        c.hide();
    } catch (JClassAlreadyExistsException e) {
        c = e.getExistingClass();
    }

    return c;
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/** Gets the xjc:superInterface customization if it's turned on. */
public JClass getSuperInterface() {
    Element sc = DOMUtil.getElement(dom,XJC_NS,"superInterface");
    if (sc == null) return null;

    String name = DOMUtil.getAttribute(sc,"name");
    if (name == null) return null;

    JDefinedClass c;

    try {
        c = codeModel._class(name, ClassType.INTERFACE);
        c.hide();
    } catch (JClassAlreadyExistsException e) {
        c = e.getExistingClass();
    }

    return c;
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * Returns the set of all classes/interfaces that a given type
 * implements/extends, including itself.
 *
 * For example, if you pass java.io.FilterInputStream, then the returned
 * set will contain java.lang.Object, java.lang.InputStream, and
 * java.lang.FilterInputStream.
 */
private static void getAssignableTypes( JClass t, Set<JClass> s ) {
    if(!s.add(t))
        return;

    // add its raw type
    s.add(t.erasure());

    // if this type is added for the first time,
    // recursively process the super class.
    JClass _super = t._extends();
    if(_super!=null)
        getAssignableTypes(_super,s);

    // recursively process all implemented interfaces
    Iterator<JClass> itr = t._implements();
    while(itr.hasNext())
        getAssignableTypes(itr.next(),s);
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public JavaType getResponseBeanJavaType(){
    JCodeModel cm = _responseBean.getJavaType().getType().getType().owner();
    if(_asyncOpType.equals(AsyncOperationType.CALLBACK)){
        JClass future = cm.ref(java.util.concurrent.Future.class).narrow(cm.ref(Object.class).wildcard());
        return new JavaSimpleType(new JAXBTypeAndAnnotation(future));
    }else if(_asyncOpType.equals(AsyncOperationType.POLLING)){
        JClass polling = cm.ref(javax.xml.ws.Response.class).narrow(_responseBean.getJavaType().getType().getType().boxify());
        return new JavaSimpleType(new JAXBTypeAndAnnotation(polling));
    }
    return null;
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public JavaType getCallBackType(){
    if(_asyncOpType.equals(AsyncOperationType.CALLBACK)){
        JCodeModel cm = _responseBean.getJavaType().getType().getType().owner();
        JClass cb = cm.ref(javax.xml.ws.AsyncHandler.class).narrow(_responseBean.getJavaType().getType().getType().boxify());
        return new JavaSimpleType(new JAXBTypeAndAnnotation(cb));

    }
    return null;
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * @param coreList
 *      A concrete class that implements the List interface.
 *      An instance of this class will be used to store data
 *      for this field.
 */
protected DummyListField(ClassOutlineImpl context, CPropertyInfo prop, JClass coreList) {
    // the JAXB runtime picks ArrayList if the signature is List,
    // so don't do eager allocation if it's ArrayList.
    // otherwise we need to do eager allocation so that the collection type specified by the user
    // will be used.
    super(context, prop, !coreList.fullName().equals("java.util.ArrayList"));
    this.coreList = coreList.narrow(exposedType.boxify());
    generate();
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * @param coreList
 *      A concrete class that implements the List interface.
 *      An instance of this class will be used to store data
 *      for this field.
 */
protected UntypedListField(ClassOutlineImpl context, CPropertyInfo prop, JClass coreList) {
    // the JAXB runtime picks ArrayList if the signature is List,
    // so don't do eager allocation if it's ArrayList.
    // otherwise we need to do eager allocation so that the collection type specified by the user
    // will be used.
    super(context, prop, !coreList.fullName().equals("java.util.ArrayList"));
    this.coreList = coreList.narrow(exposedType.boxify());
    generate();
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * @param coreList
 *      A concrete class that implements the List interface.
 *      An instance of this class will be used to store data
 *      for this field.
 */
protected ContentListField(ClassOutlineImpl context, CPropertyInfo prop, JClass coreList) {
    // the JAXB runtime picks ArrayList if the signature is List,
    // so don't do eager allocation if it's ArrayList.
    // otherwise we need to do eager allocation so that the collection type specified by the user
    // will be used.
    super(context, prop, false);
    this.coreList = coreList;
    generate();
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
/**
 * Generates an attribute wildcard property on a class.
 */
private void generateAttributeWildcard(ClassOutlineImpl cc) {
    String FIELD_NAME = "otherAttributes";
    String METHOD_SEED = model.getNameConverter().toClassName(FIELD_NAME);

    JClass mapType = codeModel.ref(Map.class).narrow(QName.class, String.class);
    JClass mapImpl = codeModel.ref(HashMap.class).narrow(QName.class, String.class);

    // [RESULT]
    // Map<QName,String> m = new HashMap<QName,String>();
    JFieldVar $ref = cc.implClass.field(JMod.PRIVATE,
            mapType, FIELD_NAME, JExpr._new(mapImpl));
    $ref.annotate2(XmlAnyAttributeWriter.class);

    MethodWriter writer = cc.createMethodWriter();

    JMethod $get = writer.declareMethod(mapType, "get" + METHOD_SEED);
    $get.javadoc().append(
            "Gets a map that contains attributes that aren't bound to any typed property on this class.\n\n"
            + "<p>\n"
            + "the map is keyed by the name of the attribute and \n"
            + "the value is the string value of the attribute.\n"
            + "\n"
            + "the map returned by this method is live, and you can add new attribute\n"
            + "by updating the map directly. Because of this design, there's no setter.\n");
    $get.javadoc().addReturn().append("always non-null");

    $get.body()._return($ref);
}
 

import com.sun.codemodel.internal.JClass; //导入依赖的package包/类
public final JClass addRuntime(Class clazz) {
    JClass g = generatedRuntime.get(clazz);
    if (g == null) {
        // put code into a separate package to avoid name conflicts.
        JPackage implPkg = getUsedPackages(Aspect.IMPLEMENTATION)[0].subPackage("runtime");
        g = generateStaticClass(clazz, implPkg);
        generatedRuntime.put(clazz, g);
    }
    return g;
}