com.liferay.dynamic.data.mapping.form.builder.internal.util.DDMExpressionFunctionMetadataHelper.java Source code

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Here is the source code for com.liferay.dynamic.data.mapping.form.builder.internal.util.DDMExpressionFunctionMetadataHelper.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.dynamic.data.mapping.form.builder.internal.util;

import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.util.AggregateResourceBundle;
import com.liferay.portal.kernel.util.ResourceBundleLoader;
import com.liferay.portal.kernel.util.ResourceBundleLoaderUtil;
import com.liferay.portal.kernel.util.ResourceBundleUtil;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;

import org.osgi.service.component.annotations.Component;

/**
 * @author Rafael Praxedes
 */
@Component(immediate = true, service = DDMExpressionFunctionMetadataHelper.class)
public class DDMExpressionFunctionMetadataHelper {

    public Map<String, List<DDMExpressionFunctionMetadata>> getDDMExpressionFunctionsMetadata(Locale locale) {

        Map<String, List<DDMExpressionFunctionMetadata>> ddmExpressionFunctionsMetadata = new HashMap<>();

        populateMap(ddmExpressionFunctionsMetadata, getResourceBundle(locale));

        return ddmExpressionFunctionsMetadata;
    }

    public static class DDMExpressionFunctionMetadata {

        public DDMExpressionFunctionMetadata(String name, String label, String returnType,
                String[] parameterTypes) {

            _name = name;
            _label = label;
            _returnType = returnType;
            _parameterTypes = parameterTypes;
        }

        public String getLabel() {
            return _label;
        }

        public String getName() {
            return _name;
        }

        public String[] getParameterTypes() {
            return _parameterTypes;
        }

        public String getReturnType() {
            return _returnType;
        }

        private final String _label;
        private final String _name;
        private final String[] _parameterTypes;
        private final String _returnType;

    }

    protected void addDDMExpressionFunctionMetadata(
            Map<String, List<DDMExpressionFunctionMetadata>> ddmExpressionFunctionsMetadata,
            DDMExpressionFunctionMetadata expressionFunctionMetadata) {

        String firstParameterType = expressionFunctionMetadata.getParameterTypes()[0];

        List<DDMExpressionFunctionMetadata> expressionFunctionMetadataList = ddmExpressionFunctionsMetadata
                .get(firstParameterType);

        if (expressionFunctionMetadataList == null) {
            expressionFunctionMetadataList = new ArrayList<>();

            ddmExpressionFunctionsMetadata.put(firstParameterType, expressionFunctionMetadataList);
        }

        expressionFunctionMetadataList.add(expressionFunctionMetadata);
    }

    protected ResourceBundle getResourceBundle(Locale locale) {
        ResourceBundleLoader portalResourceBundleLoader = ResourceBundleLoaderUtil.getPortalResourceBundleLoader();

        ResourceBundle portalResourceBundle = portalResourceBundleLoader.loadResourceBundle(locale);

        ResourceBundle portletResourceBundle = ResourceBundleUtil.getBundle("content.Language", locale, getClass());

        return new AggregateResourceBundle(portletResourceBundle, portalResourceBundle);
    }

    protected void populateMap(Map<String, List<DDMExpressionFunctionMetadata>> ddmExpressionFunctionsMetadata,
            ResourceBundle resourceBundle) {

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("belongs-to", LanguageUtil.get(resourceBundle, "belongs-to"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_USER, _TYPE_LIST }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("greater-than",
                        LanguageUtil.get(resourceBundle, "is-greater-than"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("greater-than-equals",
                        LanguageUtil.get(resourceBundle, "is-greater-than-or-equal-to"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("less-than", LanguageUtil.get(resourceBundle, "is-less-than"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("less-than-equals",
                        LanguageUtil.get(resourceBundle, "is-less-than-or-equal-to"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("equals-to", LanguageUtil.get(resourceBundle, "is-equal-to"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("equals-to", LanguageUtil.get(resourceBundle, "is-equal-to"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_TEXT, _TYPE_TEXT }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("not-equals-to",
                        LanguageUtil.get(resourceBundle, "is-not-equal-to"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_NUMBER, _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("not-equals-to",
                        LanguageUtil.get(resourceBundle, "is-not-equal-to"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_TEXT, _TYPE_TEXT }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("contains", LanguageUtil.get(resourceBundle, "contains"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_TEXT, _TYPE_TEXT }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("not-contains",
                        LanguageUtil.get(resourceBundle, "does-not-contain"), _TYPE_BOOLEAN,
                        new String[] { _TYPE_TEXT, _TYPE_TEXT }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("is-empty", LanguageUtil.get(resourceBundle, "is-empty"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("is-empty", LanguageUtil.get(resourceBundle, "is-empty"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_TEXT }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("not-is-empty", LanguageUtil.get(resourceBundle, "is-not-empty"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_NUMBER }));

        addDDMExpressionFunctionMetadata(ddmExpressionFunctionsMetadata,
                new DDMExpressionFunctionMetadata("not-is-empty", LanguageUtil.get(resourceBundle, "is-not-empty"),
                        _TYPE_BOOLEAN, new String[] { _TYPE_TEXT }));
    }

    private static final String _TYPE_BOOLEAN = "boolean";

    private static final String _TYPE_LIST = "list";

    private static final String _TYPE_NUMBER = "number";

    private static final String _TYPE_TEXT = "text";

    private static final String _TYPE_USER = "user";

}