jhc.redsniff.internal.util.IndentingDescription.java Source code

Introduction

Here is the source code for jhc.redsniff.internal.util.IndentingDescription.java

Source

/*******************************************************************************
 * Copyright 2014 JHC Systems Limited
 *
 * 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 jhc.redsniff.internal.util;

import org.apache.commons.lang3.StringUtils;
import org.hamcrest.StringDescription;

public class IndentingDescription extends StringDescription {

    private int indentLevel;

    @Override
    protected void append(String str) {
        if (indentLevel > 0 && str != null) {
            String indented = str.replaceAll("\\n", indentedNewLine());
            super.append(indented);
        } else
            super.append(str);
    }

    private String indentedNewLine() {
        return "\n" + StringUtils.leftPad("", indentLevel, "\t");
    }

    @Override
    protected void append(char c) {
        if (c == '\n')
            super.append(indentedNewLine());
        else
            super.append(c);
    }

    public void increaseIndentLevel() {
        indentLevel++;
    }

    public void decreaseIndentLevel() {
        indentLevel--;
    }

}