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我制作了TextMessage(org.springframework.web.socket.TextMessage)的副本,但IDE(eclipse release 4.5.2)提示我3个错误。spring-websocket TextMessage的副本,但错误
TextMessage in spring framework
正如你看到的,唯一的变化是包。
package com.hzh.h5.server.util;
import java.nio.charset.Charset;
import org.springframework.web.socket.AbstractWebSocketMessage;
public final class TextMessage extends AbstractWebSocketMessage<String> {
private static final Charset UTF8_CHARSET = Charset.forName("UTF-8");
private final byte[] bytes;
public TextMessage(CharSequence payload) {
super(payload.toString(), true);
this.bytes = null;
}
public TextMessage(byte[] payload) {
super(new String(payload, UTF8_CHARSET));
this.bytes = payload;
}
public TextMessage(CharSequence payload, boolean isLast) {
super(payload.toString(), isLast);
this.bytes = null;
}
@Override
public int getPayloadLength() {
return asBytes().length;
}
public byte[] asBytes() {
return (this.bytes != null ? this.bytes : getPayload().getBytes(UTF8_CHARSET));
}
@Override
protected String toStringPayload() {
String payload = getPayload();
return (payload.length() > 10 ? payload.substring(0, 10) + ".." : payload);
}
}
错误提示是这样的, '构造AbstractWebSocketMessage(T)是不可见的'。 error tip
为什么我有错误,但spring-websocket不是?