iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/hyphenation/Hyphenator.java

/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * 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.itextpdf.text.pdf.hyphenation;

import com.itextpdf.text.io.StreamUtil;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Hashtable;

/**
 * This class is the main entry point to the hyphenation package.
 * You can use only the static methods or create an instance.
 *
 * @author Carlos Villegas <cav@uniscope.co.jp>
 */
public class Hyphenator {

    /** TODO: Don't use statics */
    private static Hashtable<String, HyphenationTree> hyphenTrees = new Hashtable<String, HyphenationTree>();

    private HyphenationTree hyphenTree = null;
    private int remainCharCount = 2;
    private int pushCharCount = 2;
    private static final String defaultHyphLocation = "com/itextpdf/text/pdf/hyphenation/hyph/";

    /** Holds value of property hyphenDir. */
    private static String hyphenDir = "";

    /**
     * @param lang
     * @param country
     * @param leftMin
     * @param rightMin
     */
    public Hyphenator(String lang, String country, int leftMin,
                      int rightMin) {
        hyphenTree = getHyphenationTree(lang, country);
        remainCharCount = leftMin;
        pushCharCount = rightMin;
    }

    /**
     * @param lang
     * @param country
     * @return the hyphenation tree
     */
    public static HyphenationTree getHyphenationTree(String lang,
            String country) {
        String key = lang;
        // check whether the country code has been used
        if (country != null && !country.equals("none")) {
            key += "_" + country;
        }
            // first try to find it in the cache
        if (hyphenTrees.containsKey(key)) {
            return hyphenTrees.get(key);
        }
        if (hyphenTrees.containsKey(lang)) {
            return hyphenTrees.get(lang);
        }

        HyphenationTree hTree = getResourceHyphenationTree(key);
        if (hTree == null)
            hTree = getFileHyphenationTree(key);
        // put it into the pattern cache
        if (hTree != null) {
            hyphenTrees.put(key, hTree);
        }
        return hTree;
    }

    /**
     * @param key
     * @return a hyphenation tree
     */
    public static HyphenationTree getResourceHyphenationTree(String key) {
        try {
            InputStream stream = StreamUtil.getResourceStream(defaultHyphLocation + key + ".xml");
            if (stream == null && key.length() > 2)
                stream = StreamUtil.getResourceStream(defaultHyphLocation + key.substring(0, 2) + ".xml");
            if (stream == null)
                return null;
            HyphenationTree hTree = new HyphenationTree();
            hTree.loadSimplePatterns(stream);
            return hTree;
        }
        catch (Exception e) {
            return null;
        }
    }

    /**
     * @param key
     * @return a hyphenation tree
     */
    public static HyphenationTree getFileHyphenationTree(String key) {
        try {
            if (hyphenDir == null)
                return null;
            InputStream stream = null;
            File hyphenFile = new File(hyphenDir, key + ".xml");
            if (hyphenFile.canRead())
                stream = new FileInputStream(hyphenFile);
            if (stream == null && key.length() > 2) {
                hyphenFile = new File(hyphenDir, key.substring(0, 2) + ".xml");
                if (hyphenFile.canRead())
                    stream = new FileInputStream(hyphenFile);
            }
            if (stream == null)
                return null;
            HyphenationTree hTree = new HyphenationTree();
            hTree.loadSimplePatterns(stream);
            return hTree;
        }
        catch (Exception e) {
            return null;
        }
    }

    /**
     * @param lang
     * @param country
     * @param word
     * @param leftMin
     * @param rightMin
     * @return a hyphenation object
     */
    public static Hyphenation hyphenate(String lang, String country,
                                        String word, int leftMin,
                                        int rightMin) {
        HyphenationTree hTree = getHyphenationTree(lang, country);
        if (hTree == null) {
            //log.error("Error building hyphenation tree for language "
            //                       + lang);
            return null;
        }
        return hTree.hyphenate(word, leftMin, rightMin);
    }

    /**
     * @param lang
     * @param country
     * @param word
     * @param offset
     * @param len
     * @param leftMin
     * @param rightMin
     * @return a hyphenation object
     */
    public static Hyphenation hyphenate(String lang, String country,
                                        char[] word, int offset, int len,
                                        int leftMin, int rightMin) {
        HyphenationTree hTree = getHyphenationTree(lang, country);
        if (hTree == null) {
            //log.error("Error building hyphenation tree for language "
            //                       + lang);
            return null;
        }
        return hTree.hyphenate(word, offset, len, leftMin, rightMin);
    }

    /**
     * @param min
     */
    public void setMinRemainCharCount(int min) {
        remainCharCount = min;
    }

    /**
     * @param min
     */
    public void setMinPushCharCount(int min) {
        pushCharCount = min;
    }

    /**
     * @param lang
     * @param country
     */
    public void setLanguage(String lang, String country) {
        hyphenTree = getHyphenationTree(lang, country);
    }

    /**
     * @param word
     * @param offset
     * @param len
     * @return a hyphenation object
     */
    public Hyphenation hyphenate(char[] word, int offset, int len) {
        if (hyphenTree == null) {
            return null;
        }
        return hyphenTree.hyphenate(word, offset, len, remainCharCount,
                                    pushCharCount);
    }

    /**
     * @param word
     * @return a hyphenation object
     */
    public Hyphenation hyphenate(String word) {
        if (hyphenTree == null) {
            return null;
        }
        return hyphenTree.hyphenate(word, remainCharCount, pushCharCount);
    }

    /** Getter for property hyphenDir.
     * @return Value of property hyphenDir.
     */
    public static String getHyphenDir() {
        return hyphenDir;
    }

    /** Setter for property hyphenDir.
     * @param _hyphenDir New value of property hyphenDir.
     */
    public static void setHyphenDir(String _hyphenDir) {
        hyphenDir = _hyphenDir;
    }

}

com/itextpdf/text/pdf/hyphenation/Hyphenator.java

 

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File name: itextpdf-5.5.14-fyi.zip
File size: 2163839 bytes
Release date: 2009-10-09
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