com.agilejava.docbkx.maven.AbstractCitrusPdfMojo.java Source code

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Here is the source code for com.agilejava.docbkx.maven.AbstractCitrusPdfMojo.java

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/*
 * Copyright (c) 2002-2012 Alibaba Group Holding Limited.
 * All rights reserved.
 *
 * 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 com.agilejava.docbkx.maven;

import java.io.File;
import java.lang.reflect.Field;
import java.util.Locale;

import com.alibaba.maven.plugin.docbook.WordBreaker;
import org.apache.maven.plugin.MojoExecutionException;

public abstract class AbstractCitrusPdfMojo extends AbstractPdfMojo {
    /**
     * localezh_CN??fo???fop??
     * <code>character-by-character</code>???<code>word-by-word</code>
     * fo??<code>forceBreakingWords == zh_CN</code>
     * ??
     *
     * @parameter
     */
    private String forceBreakingWords;

    /**
     * The fonts that should be taken into account. (Without this parameter, the
     * PDF document will only be able to reference the default fonts.)
     *
     * @parameter
     */
    private Font[] fonts;

    @Override
    public void postProcessResult(File result) throws MojoExecutionException {
        // fonts? -- maven??
        if (fonts != null) {
            setField(AbstractPdfMojo.class, "fonts", fonts);
        }

        // fop?
        forceBreakingWords = trimToNull(forceBreakingWords);

        if (forceBreakingWords != null) {
            Locale locale = parseLocale(forceBreakingWords);
            WordBreaker wb = new WordBreaker(result, locale);

            try {
                wb.filter();
            } catch (Exception e) {
                throw new MojoExecutionException("Failed to breaking words", e);
            }
        }

        super.postProcessResult(result);
    }

    private static String trimToNull(String str) {
        if (str == null) {
            return null;
        }

        String result = str.trim();

        if (result == null || result.length() == 0) {
            return null;
        }

        return result;
    }

    private static Locale parseLocale(String localeString) {
        localeString = trimToNull(localeString);

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

        String language = "";
        String country = "";
        String variant = "";

        // language
        int start = 0;
        int index = localeString.indexOf("_");

        if (index >= 0) {
            language = localeString.substring(start, index).trim();

            // country
            start = index + 1;
            index = localeString.indexOf("_", start);

            if (index >= 0) {
                country = localeString.substring(start, index).trim();

                // variant
                variant = localeString.substring(index + 1).trim();
            } else {
                country = localeString.substring(start).trim();
            }
        } else {
            language = localeString.substring(start).trim();
        }

        return new Locale(language, country, variant);
    }

    private void setField(Class<?> targetType, String fieldName, Object value) throws MojoExecutionException {
        try {
            Field field = targetType.getDeclaredField(fieldName);

            if (field != null) {
                field.setAccessible(true);
                field.set(this, value);
            }
        } catch (Exception e) {
            throw new MojoExecutionException(e.getMessage());
        }
    }
}