org.ovirt.api.metamodel.tool.JavaPackages Maven / Gradle / Ivy

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/*
Copyright (c) 2015 Red Hat, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package org.ovirt.api.metamodel.tool;

import static java.util.stream.Collectors.joining;

import java.util.ArrayList;
import java.util.List;
import javax.enterprise.context.ApplicationScoped;

import org.ovirt.api.metamodel.concepts.Module;
import org.ovirt.api.metamodel.concepts.Name;

/**
 * This class contains the rules used to calculate the names of generated Java packages.
 */
@ApplicationScoped
public class JavaPackages {
    /**
     * The list of rules used to transform JAX-RS package names.
     */
    private List jaxrsRules = new ArrayList<>();

    public void addJaxrsRule(String rule) {
        addRule(jaxrsRules, rule);
    }

    private void addRule(List rules, String text) {
        int index = text.indexOf('=');
        if (index >= 0) {
            String expression = text.substring(0, index);
            String replacement = text.substring(index + 1);
            ReplacementRule rule = new ReplacementRule(expression, replacement);
            rules.add(rule);
        }
        else {
            ReplacementRule rule = new ReplacementRule("^.*$", text);
            rules.add(rule);
        }
    }

    // Names of packages:
    private String xjcPackageName = "org.ovirt.engine.api.model";
    private String typesPackageName = "org.ovirt.engine.api.types";
    private String containersPackageName = "org.ovirt.engine.api.containers";
    private String buildersPackageName = "org.ovirt.engine.api.builders";
    private String jsonPackageName = "org.ovirt.engine.api.json";
    private String xmlPackageName = "org.ovirt.engine.api.xml";

    /**
     * Get the name of the package that contains the classes generated by the XJC compiler.
     */
    public String getXjcPackageName() {
        return xjcPackageName;
    }

    /**
     * Set the name of the package that contains the classes generated by the XJC compiler.
     */
    public void setXjcPackageName(String newXjcPackageName) {
        xjcPackageName = newXjcPackageName;
    }

    /**
     * Get the name of the package that contains the generated type interfaces.
     */
    public String getTypesPackageName() {
        return typesPackageName;
    }

    /**
     * Set the name of the package that contains the generated type interfaces.
     */
    public void setTypesPackageName(String newTypesPackageName) {
        typesPackageName = newTypesPackageName;
    }

    /**
     * Get the name of the package that contains the generated type containers.
     */
    public String getContainersPackageName() {
        return containersPackageName;
    }

    /**
     * Set the name of the package that contains the generated type containers.
     */
    public void setContainersPackageName(String newContainersPackageName) {
        containersPackageName = newContainersPackageName;
    }

    /**
     * Get the name of the package that contains the generated type builders.
     */
    public String getBuildersPackageName() {
        return buildersPackageName;
    }

    /**
     * Set the name of the package that contains the generated type builders.
     */
    public void setBuildersPackageName(String newBuildersPackageName) {
        buildersPackageName = newBuildersPackageName;
    }

    /**
     * Get the name of the package that contains the generated JSON readers and writers.
     */
    public String getJsonPackageName() {
        return jsonPackageName;
    }

    /**
     * Set the name of the package that contains the generated JSON readers and writers.
     */
    public void setJsonPackageName(String newJsonPackageName) {
        jsonPackageName = newJsonPackageName;
    }

    /**
     * Get the name of the package that contains the generated XML readers and writers.
     */
    public String getXmlPackageName() {
        return xmlPackageName;
    }

    /**
     * Set the name of the package that contains the generated XML readers and writers.
     */
    public void setXmlPackageName(String newXmlPackageName) {
        xmlPackageName = newXmlPackageName;
    }

    public String getJaxrsPackageName() {
        return getPackageName(jaxrsRules, "");
    }

    public String getJaxrsPackageName(Module module) {
        return getPackageName(jaxrsRules, module);
    }

    private String getPackageName(List rules, Module module) {
        return getPackageName(rules, module.getName());
    }

    private String getPackageName(List rules, Name name) {
        String text = name.words().collect(joining("."));
        return getPackageName(rules, text);
    }

    private String getPackageName(List rules, String text) {
        // Process the rules, the first that matches will be applied and the result returned:
        for (ReplacementRule rule : rules) {
            String result = rule.process(text);
            if (result != null) {
                return result;
            }
        }

        // If no rule matches then return the text as is:
        return text;
    }
}