/*
 * Copyright (c) 2012, 2015, 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.tools.sjavac;

import java.io.File;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import com.sun.tools.sjavac.pubapi.PubApi;

The module is the root of a set of packages/sources/artifacts.
At the moment there is only one module in use, the empty/no-name/default module.
 
This is NOT part of any supported API.
 If you write code that depends on this, you do so at your own risk.
 This code and its internal interfaces are subject to change or
 deletion without notice.
/**
 * The module is the root of a set of packages/sources/artifacts.
 * At the moment there is only one module in use, the empty/no-name/default module.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */
public class Module implements Comparable<Module> {
    private String name;
    private String dirname;
    private Map<String,Package> packages = new HashMap<>();
    private Map<String,Source> sources = new HashMap<>();
    private Map<String,File> artifacts = new HashMap<>();

    public Module(String n, String dn) {
        name = n;
        dirname = n;
    }

    public String name() { return name; }
    public String dirname() { return dirname; }
    public Map<String,Package> packages() { return packages; }
    public Map<String,Source> sources() { return sources; }
    public Map<String,File> artifacts() { return artifacts; }

    @Override
    public boolean equals(Object o) {
        return (o instanceof Module) && name.equals(((Module)o).name);
    }

    @Override
    public int hashCode() {
        return name.hashCode();
    }

    @Override
    public int compareTo(Module o) {
        return name.compareTo(o.name);
    }

    public void save(StringBuilder b) {
        b.append("M ").append(name).append(":").append("\n");
        Package.savePackages(packages, b);
    }

    public static Module load(String l) {
        int cp = l.indexOf(':',2);
        if (cp == -1) return null;
        String name = l.substring(2,cp);
        return new Module(name, "");
    }

    public static void saveModules(Map<String,Module> ms, StringBuilder b) {
        for (Module m : ms.values()) {
            m.save(b);
        }
    }

    public void addPackage(Package p) {
        packages.put(p.name(), p);
    }

    public Package lookupPackage(String pkg) {
        // See JDK-8071904
        Package p = packages.get(pkg);
        if (p == null) {
            p = new Package(this, pkg);
            packages.put(pkg, p);
        }
        return p;
    }

    public void addSource(String pkg, Source src) {
        Package p = lookupPackage(pkg);
        src.setPackage(p);
        p.addSource(src);
        sources.put(src.file().getPath(), src);
    }

    public Source lookupSource(String path) {
        return sources.get(path);
    }

    public void addArtifacts(String pkg, Set<URI> as) {
        Package p = lookupPackage(pkg);
        for (URI u : as) {
            p.addArtifact(new File(u));
        }
    }

    public void setDependencies(String pkg, Map<String, Set<String>> deps, boolean cp) {
        lookupPackage(pkg).setDependencies(deps, cp);
    }

    public void setPubapi(String pkg, PubApi ps) {
        Package p = lookupPackage(pkg);
        p.setPubapi(ps);
    }

    public boolean hasPubapiChanged(String pkg, PubApi newPubApi) {
        Package p = lookupPackage(pkg);
        return p.hasPubApiChanged(newPubApi);
    }
}