org.jmesa.core.CoreContext Maven / Gradle / Ivy

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/*
 * Copyright 2004 original author or authors.
 *
 * 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.jmesa.core;

import org.jmesa.core.message.Messages;
import org.jmesa.core.preference.Preferences;
import org.jmesa.limit.Limit;
import org.jmesa.worksheet.Worksheet;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * 
 * The CoreContext encapsulates the core package and is used to Filter and Sort the items. It also
 * gives easy access to the Preferences and Messages as well as a reference to the Limit.
 * 
 *
 * @author Jeff Johnston
 * @since 2.0
 */
public class CoreContext {

    private final Items items;
    private final Limit limit;
    private final Preferences preferences;
    private final Messages messages;
    private final Worksheet worksheet;
    private Map attributes;

    public CoreContext(Items items, Limit limit, Worksheet worksheet, Preferences preferences, Messages messages) {

        this.items = items;
        this.limit = limit;
        this.worksheet = worksheet;
        this.preferences = preferences;
        this.messages = messages;
    }

    public Collection getAllItems() {

        return items.getAllItems();
    }

    public Collection getFilteredItems() {

        return items.getFilteredItems();
    }

    public Collection getSortedItems() {

        return items.getSortedItems();
    }

    public Collection getPageItems() {

        return items.getPageItems();
    }

    public void setPageItems(Collection pageItems) {

        this.items.setPageItems(pageItems);
    }

    public String getMessage(String code) {

        return messages.getMessage(code);
    }

    public String getMessage(String code, Object[] args) {

        return messages.getMessage(code, args);
    }

    public String getPreference(String code) {

        return preferences.getPreference(code);
    }

    public Worksheet getWorksheet() {

        return worksheet;
    }

    public Limit getLimit() {

        return limit;
    }

    public Object getAttribute(Object key) {

        if (attributes == null) {
            return null;
        }

        return attributes.get(key);
    }

    public void setAttribute(Object key, Object value) {

        if (attributes == null) {
            attributes = new HashMap<>(16);
        }

        attributes.put(key, value);
    }
}