Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.boolex;

import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

import ch.qos.logback.core.spi.ContextAwareBase;
import ch.qos.logback.core.spi.LifeCycle;

public class Matcher extends ContextAwareBase implements LifeCycle {

    private String regex;
    private String name;
    private boolean caseSensitive = true;
    private boolean canonEq = false;
    private boolean unicodeCase = false;

    private boolean start = false;
    private Pattern pattern;

    public String getRegex() {
        return regex;
    }

    public void setRegex(String regex) {
        this.regex = regex;
    }

    public void start() {
        if (name == null) {
            addError("All Matcher objects must be named");
            return;
        }
        try {
            int code = 0;
            if (!caseSensitive) {
                code |= Pattern.CASE_INSENSITIVE;
            }
            if (canonEq) {
                code |= Pattern.CANON_EQ;
            }
            if (unicodeCase) {
                code |= Pattern.UNICODE_CASE;
            }

            // code |= Pattern.DOTALL;

            pattern = Pattern.compile(regex, code);
            start = true;
        } catch (PatternSyntaxException pse) {
            addError("Failed to compile regex [" + regex + "]", pse);
        }
    }

    public void stop() {
        start = false;
    }

    public boolean isStarted() {
        return start;
    }

    // However, this method does
    // not require that the entire region (of the input) be matched.

    
Checks whether the input matches the regular expression. 
Params:
input – 
Throws:
EvaluationException – 
Returns:
/**
     * Checks whether the input matches the regular expression. 
     * 
     * @param input
     * @return

     * @throws EvaluationException
     */
    public boolean matches(String input) throws EvaluationException {
        if (start) {
            java.util.regex.Matcher matcher = pattern.matcher(input);
            return matcher.find();
        } else {
            throw new EvaluationException("Matcher [" + regex + "] not started");
        }
    }

    public boolean isCanonEq() {
        return canonEq;
    }

    public void setCanonEq(boolean canonEq) {
        this.canonEq = canonEq;
    }

    public boolean isCaseSensitive() {
        return caseSensitive;
    }

    public void setCaseSensitive(boolean caseSensitive) {
        this.caseSensitive = caseSensitive;
    }

    public boolean isUnicodeCase() {
        return unicodeCase;
    }

    public void setUnicodeCase(boolean unicodeCase) {
        this.unicodeCase = unicodeCase;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}