com.clickntap.tool.html.EntityPreserveReader Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of Stripecube Show documentation

Stripecube is an open source Java framework for Web Applications

There is a newer version: 1.30

package com.clickntap.tool.html;

import java.io.IOException;
import java.io.Reader;

public class EntityPreserveReader extends java.io.FilterReader {
    private static final char AMP = '&';
    private static final char[] AMP_ENTITY = {';', 'p', 'm', 'a'};
    private int x0 = -1, x1 = -1;

    public EntityPreserveReader(Reader r) {
        super(r);
    }

    public int read() throws IOException {
        if (x0 == -1) {
            int c = in.read();
            if (c == AMP)
                x0 = 3;
            return c;
        } else
            return AMP_ENTITY[x0--];
    }

    public int read(char buffer[], int offset, int length) throws IOException {
        for (int i = 0; i < length; i++) {
            int c = read();
            if (c == -1)
                return i;
            else
                buffer[i + offset] = (char) c;
        }
        return length;
    }

    public boolean ready() throws IOException {
        if (x0 != -1)
            return true;
        return in.ready();
    }

    public boolean markSupported() {
        return in.markSupported();
    }

    public void mark(int limit) throws IOException {
        x1 = x0;
        in.mark(limit);
    }

    public void reset() throws IOException {
        x0 = x1;
        in.reset();
    }
}