NewColumn.java

package org.getlantern.querybuilder;

public class NewColumn implements SQLLang {

    private final String name;
    private final String type;

    public NewColumn(final String name, final String type) {
        this.name = name;
        this.type = type;
    }

    public static NewColumn[] createNewColumns(final String[] colNames, final String[] colTypes) {
        if (colNames == null || colTypes == null || colNames.length != colTypes.length)
            throw new IllegalArgumentException("length of columns and types not match.");
        final NewColumn[] newColumns = new NewColumn[colNames.length];
        for (int i = 0, j = colNames.length; i < j; i++) {
            newColumns[i] = new NewColumn(colNames[i], colTypes[i]);
        }
        return newColumns;
    }

    public String getName() {
        return name;
    }

    @Override
    public String getSQL() {
        if (name == null || type == null)
            throw new NullPointerException("name and type must not be null!");
        return String.format("%s %s", name, type);
    }

    public String getType() {
        return type;
    }

}