plugindescriptorimpl.java

java插件系统源码

            extensionPoints.put(extensionPoint.getId(), extensionPoint);
        }
    }
    
    private void processExtensions(final PluginFragmentImpl fragment,
            final ModelPluginManifest modelManifest)
            throws ManifestProcessingException {
        for (Iterator it = modelManifest.getExtensions().iterator();
                it.hasNext();) {
            ExtensionImpl extension = new ExtensionImpl(this, fragment,
                    (ModelExtension) it.next());
            if (extensions.containsKey(extension.getId())) {
                throw new ManifestProcessingException(
                        PluginRegistryImpl.PACKAGE_NAME,
                        "duplicateExtensions", new Object[] { //$NON-NLS-1$
                            extension.getId(), getId()});
            }
            if (!getId().equals(extension.getExtendedPluginId())
                    && !pluginPrerequisites.containsKey(
                            extension.getExtendedPluginId())) {
                throw new ManifestProcessingException(
                        PluginRegistryImpl.PACKAGE_NAME,
                        "pluginNotDeclaredInPrerequisites", new Object[] { //$NON-NLS-1$
                            extension.getExtendedPluginId(), extension.getId(),
                            getId()});
            }
            extensions.put(extension.getId(), extension);
        }
        //extensions = Collections.unmodifiableMap(extensions);
    }

    /**
     * @see org.java.plugin.registry.UniqueIdentity#getUniqueId()
     */
    public String getUniqueId() {
        return registry.makeUniqueId(getId(), model.getVersion());
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getVendor()
     */
    public String getVendor() {
        return model.getVendor();
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getVersion()
     */
    public Version getVersion() {
        return model.getVersion();
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getPrerequisites()
     */
    public Collection getPrerequisites() {
        return Collections.unmodifiableCollection(pluginPrerequisites.values());
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getPrerequisite(java.lang.String)
     */
    public PluginPrerequisite getPrerequisite(String id) {
        return (PluginPrerequisite) pluginPrerequisites.get(id);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getExtensionPoints()
     */
    public Collection getExtensionPoints() {
        return Collections.unmodifiableCollection(extensionPoints.values());
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getExtensionPoint(java.lang.String)
     */
    public ExtensionPoint getExtensionPoint(String id) {
        return (ExtensionPoint) extensionPoints.get(id);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getExtensions()
     */
    public Collection getExtensions() {
        return Collections.unmodifiableCollection(extensions.values());
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getExtension(java.lang.String)
     */
    public Extension getExtension(String id) {
        return (Extension) extensions.get(id);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getLibraries()
     */
    public Collection getLibraries() {
        return Collections.unmodifiableCollection(libraries.values());
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getLibrary(java.lang.String)
     */
    public Library getLibrary(String id) {
        return (Library) libraries.get(id);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getRegistry()
     */
    public PluginRegistry getRegistry() {
        return registry;
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getPluginClassName()
     */
    public String getPluginClassName() {
        return model.getClassName();
    }

    /**
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return "{PluginDescriptor: uid=" + getUniqueId() + "}"; //$NON-NLS-1$ //$NON-NLS-2$
    }

    /**
     * @see org.java.plugin.registry.Documentable#getDocumentation()
     */
    public Documentation getDocumentation() {
        return doc;
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getFragments()
     */
    public Collection getFragments() {
        return Collections.unmodifiableCollection(fragments);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getAttribute(java.lang.String)
     */
    public PluginAttribute getAttribute(final String id) {
        PluginAttributeImpl result = null;
        for (Iterator it = attributes.iterator(); it.hasNext();) {
            PluginAttributeImpl attr = (PluginAttributeImpl) it.next();
            if (attr.getId().equals(id)) {
                if (result == null) {
                    result = attr;
                } else {
                    throw new IllegalArgumentException(
                        "more than one attribute with ID " + id //$NON-NLS-1$
                        + " defined in plug-in " + getUniqueId()); //$NON-NLS-1$
                }
            }
        }
        return result;
    }
    
    /**
     * @see org.java.plugin.registry.PluginDescriptor#getAttributes()
     */
    public Collection getAttributes() {
        return Collections.unmodifiableCollection(attributes);
    }
    
    /**
     * @see org.java.plugin.registry.PluginDescriptor#getAttributes(java.lang.String)
     */
    public Collection getAttributes(final String id) {
        List result = new LinkedList();
        for (Iterator it = attributes.iterator(); it.hasNext();) {
            PluginAttributeImpl param = (PluginAttributeImpl) it.next();
            if (param.getId().equals(id)) {
                result.add(param);
            }
        }
        return Collections.unmodifiableList(result);
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getDocsPath()
     */
    public String getDocsPath() {
        return model.getDocsPath();
    }

    /**
     * @see org.java.plugin.registry.PluginDescriptor#getLocation()
     */
    public URL getLocation() {
        return location;
    }

    /**
     * @see org.java.plugin.registry.xml.IdentityImpl#isEqualTo(
     *      org.java.plugin.registry.Identity)
     */
    protected boolean isEqualTo(final Identity idt) {
        if (!(idt instanceof PluginDescriptorImpl)) {
            return false;
        }
        PluginDescriptorImpl other = (PluginDescriptorImpl) idt;
        return getUniqueId().equals(other.getUniqueId())
            && getLocation().toExternalForm().equals(
                    other.getLocation().toExternalForm());
    }
}