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Groovy example source code file (SimpleGroovyDoc.java)

This example Groovy source code file (SimpleGroovyDoc.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

breakiterator, class_def, class_def, groovydoc, groovydoc, groovytag, groovytag, interface_def, matcher, pattern, regex, simplegroovydoc, simplegroovytag, string, string, text, util

The Groovy SimpleGroovyDoc.java source code

/*
 * Copyright 2003-2009 the original author or authors.
 *
 * 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 org.codehaus.groovy.tools.groovydoc;

import org.codehaus.groovy.antlr.parser.GroovyTokenTypes;
import org.codehaus.groovy.groovydoc.GroovyDoc;
import org.codehaus.groovy.groovydoc.GroovyTag;

import java.text.BreakIterator;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SimpleGroovyDoc implements GroovyDoc, GroovyTokenTypes {
    private static final Pattern TAG2_PATTERN = Pattern.compile("(?s)([a-z]+)\\s+(.*)");
    private static final Pattern TAG3_PATTERN = Pattern.compile("(?s)([a-z]+)\\s+(\\S*)\\s+(.*)");
    private String name;
    private String commentText = null;
    private String rawCommentText = "";
    private String firstSentenceCommentText = null;
    private int definitionType;
    private boolean deprecated;
    private boolean isScript;
    private GroovyTag[] tags;

    public SimpleGroovyDoc(String name) {
        this.name = name;
        definitionType = CLASS_DEF;
    }

    public String name() {
        return name;
    }

    public String toString() {
        return "" + getClass() + "(" + name + ")";
    }

    protected void setCommentText(String commentText) {
        this.commentText = commentText;
    }

    protected void setFirstSentenceCommentText(String firstSentenceCommentText) {
        this.firstSentenceCommentText = firstSentenceCommentText;
    }

    public String commentText() {
        return commentText;
    }

    public String firstSentenceCommentText() {
        return firstSentenceCommentText;
    }

    public String getRawCommentText() {
        return rawCommentText;
    }

    public void setRawCommentText(String rawCommentText) {
        this.rawCommentText = rawCommentText;
        calculateTags(rawCommentText);
    }

    public void setScript(boolean script) {
        isScript = script;
    }

    private void calculateTags(String rawCommentText) {
        String trimmed = rawCommentText.replaceFirst("(?s).*?\\*\\s*@", "@");
        if (trimmed.equals(rawCommentText)) return;
        String cleaned = trimmed.replaceAll("(?m)^\\s*\\*\\s*([^*]*)$", "$1").trim();
        String[] split = cleaned.split("(?m)^@");
        List<GroovyTag> result = new ArrayList();
        for (String s : split) {
            String tagname = null;
            if (s.startsWith("param") || s.startsWith("throws")) {
                Matcher m = TAG3_PATTERN.matcher(s);
                if (m.find()) {
                    tagname = m.group(1);
                    result.add(new SimpleGroovyTag(tagname, m.group(2), m.group(3)));
                }
            } else {
                Matcher m = TAG2_PATTERN.matcher(s);
                if (m.find()) {
                    tagname = m.group(1);
                    result.add(new SimpleGroovyTag(tagname, null, m.group(2)));
                }
            }
            if ("deprecated".equals(tagname)) {
                setDeprecated(true);
            }
        }
        tags = result.toArray(new GroovyTag[result.size()]);
    }

    public static String calculateFirstSentence(String raw) {
        // remove all the * from beginning of lines
        String text = raw.replaceAll("(?m)^\\s*\\*", "").trim();
        // assume completely blank line signifies end of sentence
        text = text.replaceFirst("(?ms)\\n\\s*\\n.*", "").trim();
        // assume @tag signifies end of sentence
        text = text.replaceFirst("(?ms)\\n\\s*@(see|param|throws|return|author|since|exception|version|deprecated|todo)\\s.*", "").trim();
        // Comment Summary using first sentence (Locale sensitive)
        BreakIterator boundary = BreakIterator.getSentenceInstance(Locale.getDefault()); // todo - allow locale to be passed in
        boundary.setText(text);
        int start = boundary.first();
        int end = boundary.next();
        if (start > -1 && end > -1) {
            // need to abbreviate this comment for the summary
            text = text.substring(start, end);
        }
        return text;
    }

    public boolean isClass() {
        return definitionType == CLASS_DEF && !isScript;
    }

    public boolean isScript() {
        return definitionType == CLASS_DEF && isScript;
    }

    public boolean isInterface() {
        return definitionType == INTERFACE_DEF;
    }

    public boolean isAnnotationType() {
        return definitionType == ANNOTATION_DEF;
    }

    public boolean isEnum() {
        return definitionType == ENUM_DEF;
    }

    public String getTypeDescription() {
        if (isInterface()) return "Interface";
        if (isAnnotationType()) return "Annotation Type";
        if (isEnum()) return "Enum";
        return "Class";
    }

    public String getTypeSourceDescription() {
        if (isInterface()) return "interface";
        if (isAnnotationType()) return "@interface";
        if (isEnum()) return "enum";
        return "class";
    }

    public void setTokenType(int t) {
        definitionType = t;
    }

    public int tokenType() {
        return definitionType;
    }

    // Methods from Comparable
    public int compareTo(Object that) {
        if (that instanceof GroovyDoc) {
            return name.compareTo(((GroovyDoc) that).name());
        } else {
            throw new ClassCastException(String.format("Cannot compare object of type %s.", that.getClass()));
        }
    }

    // Methods from GroovyDoc

    //    public GroovyTag[] firstSentenceTags() {/*todo*/return null;}
    //    public GroovyTag[] inlineTags() {/*todo*/return null;}

    public boolean isAnnotationTypeElement() {/*todo*/
        return false;
    }

    public boolean isConstructor() {/*todo*/
        return false;
    }

    public boolean isEnumConstant() {/*todo*/
        return false;
    }

    public boolean isDeprecated() {
        return deprecated;
    }

    public boolean isError() {/*todo*/
        return false;
    }

    public boolean isException() {/*todo*/
        return false;
    }

    public boolean isField() {/*todo*/
        return false;
    }

    public boolean isIncluded() {/*todo*/
        return false;
    }

    public boolean isMethod() {/*todo*/
        return false;
    }

    public boolean isOrdinaryClass() {/*todo*/
        return false;
    }
//    public GroovySourcePosition position() {/*todo*/return null;}
//    public GroovySeeTag[] seeTags() {/*todo*/return null;}

    public GroovyTag[] tags() {
        return tags;
    }

//    public GroovyTag[] tags(String arg0) {/*todo*/return null;}

    public void setDeprecated(boolean deprecated) {
        this.deprecated = deprecated;
    }
}

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