org.glassfish.resources.mail.annotation.handler.MailSessionDefinitionHandler Maven / Gradle / Ivy

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/*
 * Copyright (c) 2021, 2023 Contributors to the Eclipse Foundation
 * Copyright (c) 2012, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.resources.mail.annotation.handler;

import com.sun.enterprise.deployment.MailSessionDescriptor;
import com.sun.enterprise.deployment.MetadataSource;
import com.sun.enterprise.deployment.ResourceDescriptor;
import com.sun.enterprise.deployment.annotation.context.ResourceContainerContext;
import com.sun.enterprise.deployment.annotation.handlers.AbstractResourceHandler;
import com.sun.enterprise.deployment.annotation.handlers.ResourceAnnotationControl;

import jakarta.mail.MailSessionDefinition;

import java.lang.annotation.Annotation;
import java.util.Properties;
import java.util.Set;

import org.glassfish.apf.AnnotationHandlerFor;
import org.glassfish.apf.AnnotationInfo;
import org.glassfish.apf.AnnotationProcessorException;
import org.glassfish.apf.HandlerProcessingResult;
import org.glassfish.deployment.common.JavaEEResourceType;
import org.jvnet.hk2.annotations.Service;

/**
 * @author naman mehta 2012
 */
@Service
@AnnotationHandlerFor(MailSessionDefinition.class)
public class MailSessionDefinitionHandler extends AbstractResourceHandler {

    private static final ResourceAnnotationControl CTRL = new ResourceAnnotationControl(MailSessionDefinition.class);

    public MailSessionDefinitionHandler() {

    }

    @Override
    protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo, ResourceContainerContext[] rcContexts) throws AnnotationProcessorException {
        MailSessionDefinition mailSessionDefnAn = (MailSessionDefinition) ainfo.getAnnotation();
        return processAnnotation(mailSessionDefnAn, ainfo, rcContexts);
    }

    protected HandlerProcessingResult processAnnotation(MailSessionDefinition mailSessionDefnAn, AnnotationInfo aiInfo, ResourceContainerContext[] rcContexts) throws AnnotationProcessorException {
        Class annotatedClass = (Class) aiInfo.getAnnotatedElement();
        Annotation[] annotations = annotatedClass.getAnnotations();
        boolean warClass = isAWebComponentClass(annotations);
        boolean ejbClass = isAEjbComponentClass(annotations);

        for (ResourceContainerContext context : rcContexts) {
            if (!CTRL.canProcessAnnotation(annotatedClass, ejbClass, warClass, context)) {
                return getDefaultProcessedResult();
            }

            Set mailSessionDescs = context.getResourceDescriptors(JavaEEResourceType.MSD);
            MailSessionDescriptor desc = createDescriptor(mailSessionDefnAn);
            if (isDefinitionAlreadyPresent(mailSessionDescs, desc)) {
                merge(mailSessionDescs, mailSessionDefnAn);
            } else {
                mailSessionDescs.add(desc);
            }
        }
        return getDefaultProcessedResult();
    }


    private MailSessionDescriptor createDescriptor(MailSessionDefinition defn) {

        MailSessionDescriptor desc = new MailSessionDescriptor();
        desc.setMetadataSource(MetadataSource.ANNOTATION);

        desc.setName(defn.name());

        if (defn.description() != null && !defn.description().isEmpty()) {
            desc.setDescription(defn.description());
        }

        if (defn.storeProtocol() != null && !defn.storeProtocol().isEmpty()) {
            desc.setStoreProtocol(defn.storeProtocol());
        }

        if (defn.transportProtocol() != null && !defn.transportProtocol().isEmpty()) {
            desc.setTransportProtocol(defn.transportProtocol());
        }

        if (defn.host() != null && !defn.host().isEmpty()) {
            desc.setHost(defn.host());
        }

        if (defn.user() != null && !defn.user().isEmpty()) {
            desc.setUser(defn.user());
        }

        if (defn.password() != null /* ALLOW EMPTY PASSWORDS && !defn.password().isEmpty() */) {
            desc.setPassword(defn.password());
        }

        if (defn.from() != null && !defn.from().isEmpty()) {
            desc.setFrom(defn.from());
        }

        if (defn.properties() != null) {
            Properties properties = desc.getProperties();

            String[] defnProperties = defn.properties();
            if (defnProperties.length > 0) {
                for (String property : defnProperties) {
                    int index = property.indexOf('=');
                    // found "=" and not at start or end of string
                    if (index > -1 && index != 0 && index < property.length() - 1) {
                        String name = property.substring(0, index);
                        String value = property.substring(index + 1);
                        properties.put(name, value);
                    }
                }
            }
        }

        return desc;
    }

    private boolean isDefinitionAlreadyPresent(Set mailSessionDescs, MailSessionDescriptor mailSessionDesc) {
        boolean result = false;
        for (ResourceDescriptor msDesc : mailSessionDescs) {
            if (msDesc.equals(mailSessionDesc)) {
                result = true;
                break;
            }
        }
        return result;
    }

    private void merge(Set mailSessionDescs, MailSessionDefinition mailSessionDefn) {

        for (ResourceDescriptor orgDesc : mailSessionDescs) {
            MailSessionDescriptor desc = (MailSessionDescriptor) orgDesc;
            if (desc.getName().equals(mailSessionDefn.name())) {

                if (desc.getDescription() == null) {
                    if (mailSessionDefn.description() != null && !mailSessionDefn.description().isEmpty()) {
                        desc.setDescription(mailSessionDefn.description());
                    }
                }

                if (desc.getStoreProtocol() == null) {
                    desc.setStoreProtocol(mailSessionDefn.storeProtocol());
                }

                if (desc.getTransportProtocol() == null) {
                    desc.setTransportProtocol(mailSessionDefn.transportProtocol());
                }

                if (desc.getHost() == null) {
                    desc.setHost(mailSessionDefn.host());
                }

                if (desc.getUser() == null) {
                    if (mailSessionDefn.user() != null && !mailSessionDefn.user().isEmpty()) {
                        desc.setUser(mailSessionDefn.user());
                    }
                }

                if (desc.getPassword() == null) {
                    if (mailSessionDefn.password() != null /* ALLOW EMPTY PASSWORDS && !defn.password().isEmpty() */) {
                        desc.setPassword(mailSessionDefn.password());
                    }
                }

                if (desc.getFrom() == null) {
                    desc.setFrom(mailSessionDefn.from());
                }

                Properties properties = desc.getProperties();
                String[] defnProperties = mailSessionDefn.properties();

                if (defnProperties.length > 0) {
                    for (String property : defnProperties) {
                        int index = property.indexOf("=");
                        // found "=" and not at start or end of string
                        if (index > -1 && index != 0 && index < property.length() - 1) {
                            String name = property.substring(0, index);
                            String value = property.substring(index + 1);
                            // add to properties only when not already present
                            if (properties.get(name) == null) {
                                properties.put(name, value);
                            }
                        }
                    }
                }
                break;
            }
        }

    }

}