org.flywaydb.reports.output.HtmlTableRenderer Maven / Gradle / Ivy

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/*-
 * ========================LICENSE_START=================================
 * flyway-reports
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * 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.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.reports.output;

import org.flywaydb.core.api.FlywayException;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class HtmlTableRenderer {
    private List fields;
    private List> rows;

    public void addHeadings(String... fields) {
        this.fields = Arrays.asList(fields);
    }

    public void addRow(String... row) {
        if (row.length != fields.size()) {
            throw new FlywayException("Row must have the same number of fields as the table headings");
        }

        if (rows == null) {
            rows = new ArrayList<>();
        }

        this.rows.add(Arrays.asList(row));
    }

    public String render() {
        StringBuilder html = new StringBuilder();
        html.append("  \n");
        html.append("    \n");
        html.append("       \n");
        for (String field : fields) {
            html.append("       \n");
        }
        html.append("       \n");
        html.append("       \n");
        html.append("    \n");

        if (rows == null) {
            html.append("\n");
        } else {
            for (List row : rows) {
                html.append("    \n");

                for (String field : row) {
                    html.append("      \n");
                }

                html.append("    \n");
            }
        }

        html.append("    \n");
        html.append("  ").append(field).append("
No data
").append(field).append("\n");

        return html.toString();
    }
}