org.mapfish.print.config.layout.ColumnDefs Maven / Gradle / Ivy

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/*
 * Copyright (C) 2013  Camptocamp
 *
 * This file is part of MapFish Print
 *
 * MapFish Print is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MapFish Print 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MapFish Print.  If not, see .
 */

package org.mapfish.print.config.layout;

import java.util.HashMap;

import org.ho.yaml.wrapper.DefaultMapWrapper;
import org.mapfish.print.InvalidValueException;

/**
 * Just to make sure the values of the hash have the good type.
 */
public class ColumnDefs extends HashMap {
    /**
     *
     */
    private static final long serialVersionUID = 1L;

    /**
     * Called just after the config has been loaded to check it is valid.
     *
     * @throws InvalidValueException When there is a problem
     */
    public void validate() {
        if (size() < 1) throw new InvalidValueException("columnDefs", "[]");
        int nbColumnWidth = 0;
        for (ColumnDef columnDef : values()) {
            columnDef.validate();
            if (columnDef.getColumnWeight() > 0) nbColumnWidth++;
        }
        if (nbColumnWidth > 0 && size() != nbColumnWidth) {
            throw new InvalidValueException("columnDefs[*].columnWeight", "All or none must be specified");
        }
    }

    public static class Wrapper extends DefaultMapWrapper {
        public Wrapper(Class type) {
            super(type);
        }

        public Class getExpectedType(Object key) {
            return ColumnDef.class;
        }
    }
}