com.alibaba.dubbo.rpc.protocol.thrift.io.InputStreamWrapper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of dubbo2 Show documentation

The all in one project of dubbo2

The newest version!

package com.alibaba.dubbo.rpc.protocol.thrift.io;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author kimi
 */
public class InputStreamWrapper extends InputStream {

    private InputStream is;

    public InputStreamWrapper(InputStream is) {
        if (is == null) {
            throw new NullPointerException("is == null");
        }
        this.is = is;
    }

    @Override
    public int read(byte[] b) throws IOException {
        if (is.available() >= b.length) {
            return is.read(b);
        } else {
            return -1;
        }
    }

    @Override
    public int read(byte[] b, int off, int len) throws IOException {
        if (is.available() >= len) {
            return is.read(b, off, len);
        } else {
            return -1;
        }
    }

    @Override
    public long skip(long n) throws IOException {
        return is.skip(n);
    }

    @Override
    public int available() throws IOException {
        return is.available();
    }

    @Override
    public void close() throws IOException {
        is.close();
    }

    @Override
    public void mark(int readlimit) {
        is.mark(readlimit);
    }

    @Override
    public void reset() throws IOException {
        is.reset();
    }

    @Override
    public boolean markSupported() {
        return is.markSupported();
    }

    @Override
    public int read() throws IOException {
        if (is.available() >= 1) {
            return is.read();
        }
        return -1;
    }
}