sample.OwaspCharacterEscapes.java Source code

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Here is the source code for sample.OwaspCharacterEscapes.java

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/*
 * Copyright 2002-2015 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 sample;

import com.fasterxml.jackson.core.SerializableString;
import com.fasterxml.jackson.core.io.CharacterEscapes;
import com.fasterxml.jackson.core.io.SerializedString;

/**
 *
 * @author Rob Winch
 *
 */
public class OwaspCharacterEscapes extends CharacterEscapes {
    private final int[] ESCAPES;

    public OwaspCharacterEscapes() {
        ESCAPES = standardAsciiEscapesForJSON();
        for (int i = 0; i < ESCAPES.length; i++) {
            if (!(Character.isAlphabetic(i) || Character.isDigit(i))) {
                ESCAPES[i] = CharacterEscapes.ESCAPE_CUSTOM;
            }
        }
    }

    @Override
    public SerializableString getEscapeSequence(int ch) {
        String unicode = String.format("\\u%04x", ch);
        return new SerializedString(unicode);
    }

    @Override
    public int[] getEscapeCodesForAscii() {
        return ESCAPES;
    }

    private static final long serialVersionUID = 8140493311454723880L;
}