Java JPackage类代码示例

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
/**
 * Returns all <i>used</i> JPackages.
 *
 * A JPackage is considered as "used" if a ClassItem or
 * a InterfaceItem resides in that package.
 *
 * This value is dynamically calculated every time because
 * one can freely remove ClassItem/InterfaceItem.
 *
 * @return
 *         Given the same input, the order of packages in the array
 *         is always the same regardless of the environment.
 */
public final JPackage[] getUsedPackages(Aspect aspect) {
    Set<JPackage> s = new TreeSet<JPackage>();

    for (CClassInfo bean : model.beans().values()) {
        JClassContainer cont = getContainer(bean.parent(), aspect);
        if (cont.isPackage()) {
            s.add((JPackage) cont);
        }
    }

    for (CElementInfo e : model.getElementMappings(null).values()) {
        // at the first glance you might think we should be iterating all elements,
        // not just global ones, but if you think about it, local ones live inside
        // another class, so those packages are already enumerated when we were
        // walking over CClassInfos.
        s.add(e._package());
    }

    return s.toArray(new JPackage[s.size()]);
}
 

import com.sun.codemodel.internal.JPackage; //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.JPackage; //导入依赖的package包/类
private void dump() throws IOException {

        // collect packages used in the class.
        Set<JPackage> packages = new TreeSet<JPackage>(new Comparator<JPackage>() {
            public int compare(JPackage lhs, JPackage rhs) {
                return lhs.name().compareTo(rhs.name());
            }
        });
        for( ClassOutline ci : classes )
            packages.add(ci._package()._package());

        for( JPackage pkg : packages )
            dump( pkg );

        out.flush();
    }
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
public Writer openSource(JPackage pkg, String fileName) throws IOException {
    Writer w = super.openSource(pkg,fileName);

    PrintWriter out = new PrintWriter(w);

    // write prolog if this is a java source file
    if( prolog != null ) {
        out.println( "//" );

        String s = prolog;
        int idx;
        while( (idx=s.indexOf('\n'))!=-1 ) {
            out.println("// "+ s.substring(0,idx) );
            s = s.substring(idx+1);
        }
        out.println("//");
        out.println();
    }
    out.flush();    // we can't close the stream for that would close the undelying stream.

    return w;
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
/**
 * Report progress to {@link XJCListener}.
 * @param pkg The package of file being written. Value of {@code null} means that file has no package.
 * @param fileName The file name being written. Value can't be {@code null}.
 */
private void report(final JPackage pkg, final String fileName) {
    if (fileName == null) {
        throw new IllegalArgumentException("File name is null");
    }

    final String pkgName;
    final String fileNameOut;
    if (pkg != null && (pkgName = pkg.name().replace('.', File.separatorChar)).length() > 0 ) {
        final StringBuilder sb = new StringBuilder(fileName.length() + pkgName.length() + 1);
        sb.append(pkgName);
        sb.append(File.separatorChar);
        sb.append(fileName);
        fileNameOut = sb.toString();
    } else {
        fileNameOut = fileName;
    }

    if(progress.isCanceled())
        throw new AbortException();
    progress.generatedFile(fileNameOut, current++, totalFileCount);
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
@Override
public Writer openSource(JPackage pkg, String fileName) throws IOException {
    Writer w = super.openSource(pkg,fileName);

    PrintWriter out = new PrintWriter(w);

    // write prolog if this is a java source file
    if( prolog != null ) {
        out.println( "//" );

        String s = prolog;
        int idx;
        while( (idx=s.indexOf('\n'))!=-1 ) {
            out.println("// "+ s.substring(0,idx) );
            s = s.substring(idx+1);
        }
        out.println("//");
        out.println();
    }
    out.flush();    // we can't close the stream for that would close the undelying stream.

    return w;
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
@Override
public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
    final String name = pkg != null && pkg.name().length() > 0
            ? pkg.name() + '.' + fileName : fileName;

    out.println(
        "-----------------------------------" + name +
        "-----------------------------------");

    return new FilterOutputStream(out) {
        @Override
        public void close() {
            // don't let this stream close
        }
    };
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
protected File getFile(JPackage pkg, String fileName ) throws IOException {
    File f = super.getFile(pkg, fileName);

    options.addGeneratedFile(f);
    // we can't really tell the file type, for we don't know
    // what this file is used for. Fortunately,
    // FILE_TYPE doesn't seem to be used, so it doesn't really
    // matter what we set.

    return f;
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
public Writer openSource(JPackage pkg, String fileName) throws IOException {
    String tmp = fileName.substring(0, fileName.length()-5);
    if (pkg.name() != null && ! "".equals(pkg.name())) {
            w = filer.createSourceFile(pkg.name() + "." + tmp).openWriter();
    } else {
            w = filer.createSourceFile(tmp).openWriter();
    }
    return w;
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
public PackageOutlineImpl getPackageContext(JPackage p) {
    PackageOutlineImpl r = packageContexts.get(p);
    if (r == null) {
        r = new PackageOutlineImpl(this, model, p);
        packageContexts.put(p, r);
    }
    return r;
}
 

import com.sun.codemodel.internal.JPackage; //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;
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
protected PackageOutlineImpl( BeanGenerator outline, Model model, JPackage _pkg ) {
    this._model = model;
    this._package = _pkg;
    switch(model.strategy) {
    case BEAN_ONLY:
        objectFactoryGenerator = new PublicObjectFactoryGenerator(outline,model,_pkg);
        break;
    case INTF_AND_IMPL:
        objectFactoryGenerator = new DualObjectFactoryGenerator(outline,model,_pkg);
        break;
    default:
        throw new IllegalStateException();
    }
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
DualObjectFactoryGenerator(BeanGenerator outline, Model model, JPackage targetPackage) {
    this.publicOFG = new PublicObjectFactoryGenerator(outline,model,targetPackage);
    this.privateOFG = new PrivateObjectFactoryGenerator(outline,model,targetPackage);

    // put the marker so that we can detect missing jaxb.properties
    publicOFG.getObjectFactory().field(JMod.PRIVATE|JMod.STATIC|JMod.FINAL,
            Void.class, "_useJAXBProperties", JExpr._null());
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
public PrivateObjectFactoryGenerator(BeanGenerator outline, Model model, JPackage targetPackage) {
    super(outline, model, targetPackage.subPackage("impl"));

    JPackage implPkg = targetPackage.subPackage("impl");

    // put JAXBContextFactory into the impl package
    JClass factory = outline.generateStaticClass(JAXBContextFactory.class,implPkg);

    // and then put jaxb.properties to point to it
    JPropertyFile jaxbProperties = new JPropertyFile("jaxb.properties");
    targetPackage.addResourceFile(jaxbProperties);
    jaxbProperties.add(
        JAXBContext.JAXB_CONTEXT_FACTORY,
        factory.fullName());
}
 

import com.sun.codemodel.internal.JPackage; //导入依赖的package包/类
public ObjectFactoryGeneratorImpl( BeanGenerator outline, Model model, JPackage targetPackage ) {
    this.outline = outline;
    this.model = model;
    this.codeModel = this.model.codeModel;
    this.classRef = codeModel.ref(Class.class);

    // create the ObjectFactory class skeleton
    objectFactory = this.outline.getClassFactory().createClass(
            targetPackage, "ObjectFactory", null );
    objectFactory.annotate2(XmlRegistryWriter.class);

    // generate the default constructor
    //
    // m1 result:
    //        public ObjectFactory() {}
    JMethod m1 = objectFactory.constructor(JMod.PUBLIC);
    m1.javadoc().append("Create a new ObjectFactory that can be used to " +
                     "create new instances of schema derived classes " +
                     "for package: " + targetPackage.name());

    // add some class javadoc
    objectFactory.javadoc().append(
        "This object contains factory methods for each \n" +
        "Java content interface and Java element interface \n" +
        "generated in the " + targetPackage.name() + " package. \n" +
        "<p>An ObjectFactory allows you to programatically \n" +
        "construct new instances of the Java representation \n" +
        "for XML content. The Java representation of XML \n" +
        "content can consist of schema derived interfaces \n" +
        "and classes representing the binding of schema \n" +
        "type definitions, element declarations and model \n" +
        "groups.  Factory methods for each of these are \n" +
        "provided in this class." );

}