src/main/java/com/sums/shiro/MyByteSource.java

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package com.sums.shiro;

import org.apache.shiro.codec.Base64;
import org.apache.shiro.codec.CodecSupport;
import org.apache.shiro.codec.Hex;
import org.apache.shiro.util.ByteSource;

import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Arrays;

public class MyByteSource implements ByteSource,Serializable {

    private byte[] bytes;
    private String cachedHex;
    private String cachedBase64;

    public MyByteSource(){}
    public MyByteSource(byte[] bytes) {
        this.bytes = bytes;
    }

    public MyByteSource(char[] chars) {
        this.bytes = CodecSupport.toBytes(chars);
    }

    public MyByteSource(String string) {
        this.bytes = CodecSupport.toBytes(string);
    }

    public MyByteSource(ByteSource source) {
        this.bytes = source.getBytes();
    }

    public MyByteSource(File file) {
        this.bytes = (new BytesHelper()).getBytes(file);
    }

    public MyByteSource(InputStream stream) {
        this.bytes = (new BytesHelper()).getBytes(stream);
    }
    public static boolean isCompatible(Object o) {
        return o instanceof byte[] || o instanceof char[] || o instanceof String || o instanceof ByteSource || o instanceof File || o instanceof InputStream;
    }

    public byte[] getBytes() {
        return this.bytes;
    }

    public boolean isEmpty() {
        return this.bytes == null || this.bytes.length == 0;
    }

    public String toHex() {
        if (this.cachedHex == null) {
            this.cachedHex = Hex.encodeToString(this.getBytes());
        }

        return this.cachedHex;