au.org.ala.delta.directives.AbstractFormattingDirective.java Source code

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Here is the source code for au.org.ala.delta.directives.AbstractFormattingDirective.java

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/*******************************************************************************
 * Copyright (C) 2011 Atlas of Living Australia
 * All Rights Reserved.
 * 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 ******************************************************************************/
package au.org.ala.delta.directives;

import au.org.ala.delta.DeltaContext;
import au.org.ala.delta.directives.args.DirectiveArgType;
import au.org.ala.delta.directives.args.DirectiveArgument;
import au.org.ala.delta.directives.args.DirectiveArguments;
import au.org.ala.delta.directives.args.IntegerTextListParser;
import au.org.ala.delta.directives.args.TextListParser;
import au.org.ala.delta.model.TypeSettingMark;
import org.apache.commons.lang.StringUtils;

import java.io.StringReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Base class for handling the TYPESETTING MARKS and FORMATTING MARKS directives.
 */
public abstract class AbstractFormattingDirective extends AbstractCustomDirective {

    public AbstractFormattingDirective(String... controlWords) {
        super(controlWords);
    }

    @Override
    public int getArgType() {
        return DirectiveArgType.DIRARG_TEXTLIST;
    }

    @Override
    protected TextListParser<?> createParser(DeltaContext context, StringReader reader) {
        return new IntegerTextListParser(context, reader, false, null);
    }

    @Override
    public void process(DeltaContext context, DirectiveArguments args) throws Exception {

        boolean hasDelimiter = !StringUtils.isEmpty(args.get(0).getText());

        for (DirectiveArgument<?> arg : args.getDirectiveArguments()) {

            int id = ((Integer) arg.getId());
            String markText = arg.getText();

            boolean allowWhiteSpace = hasDelimiter
                    && (markText.startsWith(" ") || markText.startsWith("\r") || markText.startsWith("\n"));
            TypeSettingMark mark = new TypeSettingMark(id, markText, allowWhiteSpace);
            processMark(context, mark);
        }

    }

    protected abstract void processMark(DeltaContext context, TypeSettingMark mark);

    protected String cleanWhiteSpace(String input) {

        Pattern p = Pattern.compile("(\\W)\\s(\\W)");
        Matcher m = p.matcher(input);
        input = m.replaceAll("$1$2");

        m = p.matcher(input);
        input = m.replaceAll("$1$2");

        p = Pattern.compile("(\\W)\\s(\\w)");
        m = p.matcher(input);
        input = m.replaceAll("$1$2");

        p = Pattern.compile("(\\w)\\s(\\W)");
        m = p.matcher(input);
        input = m.replaceAll("$1$2");

        return input;
    }
}