org.tinygroup.jsqlparser.util.deparser.CreateTableDeParser Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of org.tinygroup.jsqlparser Show documentation
There is a newer version: 3.4.9
Show newest version
/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 *
 *  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.tinygroup.jsqlparser.util.deparser;

import org.tinygroup.jsqlparser.statement.create.table.ColumnDefinition;
import org.tinygroup.jsqlparser.statement.create.table.CreateTable;
import org.tinygroup.jsqlparser.statement.create.table.Index;

import java.util.Iterator;

/**
 * A class to de-parse (that is, tranform from JSqlParser hierarchy into a
 * string) a {@link org.tinygroup.jsqlparser.statement.create.table.CreateTable}
 */
public class CreateTableDeParser {

    protected StringBuilder buffer;

    /**
     * @param buffer the buffer that will be filled with the select
     */
    public CreateTableDeParser(StringBuilder buffer) {
        this.buffer = buffer;
    }

    public void deParse(CreateTable createTable) {
        buffer.append("CREATE ");
        if (createTable.isUnlogged()) {
            buffer.append("UNLOGGED ");
        }
        buffer.append("TABLE ").append(createTable.getTable().getFullyQualifiedName());
        if (createTable.getSelect() != null) {
            buffer.append(" AS ").append(createTable.getSelect().toString());
        } else {
            if (createTable.getColumnDefinitions() != null) {
                buffer.append(" (");
                for (Iterator iter = createTable.getColumnDefinitions().iterator(); iter.hasNext();) {
                    ColumnDefinition columnDefinition = iter.next();
                    buffer.append(columnDefinition.getColumnName());
                    buffer.append(" ");
                    buffer.append(columnDefinition.getColDataType().toString());
                    if (columnDefinition.getColumnSpecStrings() != null) {
                        for (String s : columnDefinition.getColumnSpecStrings()) {
                            buffer.append(" ");
                            buffer.append(s);
                        }
                    }

                    if (iter.hasNext()) {
                        buffer.append(", ");
                    }
                }

                if (createTable.getIndexes() != null) {
                    for (Iterator iter = createTable.getIndexes().iterator(); iter.hasNext();) {
                        buffer.append(", ");
                        Index index = iter.next();
                        buffer.append(index.toString());
                    }
                }

                buffer.append(")");
            }
        }
    }

    public StringBuilder getBuffer() {
        return buffer;
    }

    public void setBuffer(StringBuilder buffer) {
        this.buffer = buffer;
    }
}