jaxws/src/jdk.xml.bind/share/classes/com/sun/codemodel/internal/JModule.java
changeset 42124 640a383428fb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/jdk.xml.bind/share/classes/com/sun/codemodel/internal/JModule.java	Tue Nov 15 23:43:38 2016 +0300
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.codemodel.internal;
+
+// Based on modules grammar from http://openjdk.java.net/projects/jigsaw/doc/lang-vm.html
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.Writer;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * Represents a Java module.
+ * @author Tomas Kraus
+ */
+public class JModule {
+
+    /** Java module file name. */
+    private static final String FILE_NAME = "module-info.java";
+
+    /** Name of this module. Mandatory value. Shall not be {@code null}. */
+    private final String name;
+
+    /** {@link Set} of Java module directives. */
+    private final Set<JModuleDirective> directives;
+
+    /**
+     * Creates an instance of Java module.
+     * @param name Java module name. Value can not be {@code null}
+     * @param version Java module version.
+     */
+    JModule(final String name) {
+        if (name == null) {
+            throw new IllegalArgumentException("Value of name is null");
+        }
+        this.name = name;
+        this.directives = new HashSet<>();
+    }
+
+    /**
+     * Gets the name of this module.
+     * @return name of this module.
+     */
+    public String name() {
+        return name;
+    }
+
+    /**
+     * Gets module directives set.
+     * jUnit helper method.
+     * @return Module directives set.
+     */
+    Set<JModuleDirective> getDirectives() {
+        return directives;
+    }
+
+    /**
+     * Adds a package to the list of Java module exports.
+     * The package name shall not be {@code null} or empty {@code String}.
+     * @param pkg Java package to be exported.
+     */
+    public void _exports(final JPackage pkg) {
+        directives.add(new JExportsDirective(pkg.name()));
+    }
+
+    /**
+     * Adds packages to the list of Java module exports.
+     * @param pkgs Collection of packages to be added.
+     * @param addEmpty Adds also packages without any classes when {@code true}.
+     */
+    public void _exports(final Collection<JPackage> pkgs, final boolean addEmpty) {
+        for (Iterator<JPackage> i = pkgs.iterator(); i.hasNext();) {
+            final JPackage pkg = i.next();
+            if (addEmpty || pkg.hasClasses()) {
+                _exports(pkg);
+            }
+        }
+    }
+
+    /**
+     * Adds a module to the list of Java module requirements.
+     * The module name shall not be {@code null} or empty {@code String}.
+     * @param name Name of required Java module.
+     * @param isPublic Use {@code public} modifier.
+     * @param isStatic Use {@code static} modifier.
+     */
+    public void _requires(final String name, final boolean isPublic, final boolean isStatic) {
+        directives.add(new JRequiresDirective(name, isPublic, isStatic));
+    }
+
+    /**
+     * Adds a module to the list of Java module requirements without {@code public} and {@code static} modifiers.
+     * The module name shall not be {@code null} or empty {@code String}.
+     * @param name Name of required Java module.
+     */
+    public void _requires(final String name) {
+        directives.add(new JRequiresDirective(name, false, false));
+    }
+
+    /**
+     * Adds all modules to the list of Java module requirements.
+     * The module name shall not be {@code null} or empty {@code String}.
+     * @param names Names of required Java module.
+     * @param isPublic Use {@code public} modifier.
+     * @param isStatic Use {@code static} modifier.
+     */
+    public void _requires(final boolean isPublic, final boolean isStatic, final String ...names) {
+        if (names != null) {
+            for (final String reqName : names) {
+                _requires(reqName, isPublic, isStatic);
+            }
+        }
+    }
+
+    /**
+     * Adds all modules to the list of Java module requirements without {@code public} and {@code static} modifiers.
+     * @param names Names of required Java module.
+     */
+    public void _requires(final String ...names) {
+        _requires(false, false, names);
+    }
+
+    /**
+     * Print source code of Java Module declaration.
+     * @param f Java code formatter.
+     * @return provided instance of Java code formatter.
+     */
+    public JFormatter generate(final JFormatter f) {
+        f.p("module").p(name);
+        f.p('{').nl();
+        if (!directives.isEmpty()) {
+            f.i();
+            for (final JModuleDirective directive : directives) {
+                directive.generate(f);
+            }
+            f.o();
+        }
+        f.p('}').nl();
+        return f;
+    }
+
+    /**
+     * Create {@code module-info.java} source writer.
+     * @return New instance of {@code module-info.java} source writer.
+     */
+    private JFormatter createModuleInfoSourceFileWriter(final CodeWriter src) throws IOException {
+        Writer bw = new BufferedWriter(src.openSource(null, FILE_NAME));
+        return new JFormatter(new PrintWriter(bw));
+    }
+
+    /**
+     * Build {@code module-info.java} source file.
+     * @param src Source code writer.
+     * @throws IOException if there is any problem with writing the file.
+     */
+    void build(final CodeWriter src) throws IOException {
+        final JFormatter f = createModuleInfoSourceFileWriter(src);
+        generate(f);
+        f.close();
+    }
+
+}