?? abstractread.java
字號:
/**
* An abstract class which can get content from a file or a HTTP URL
* or other resource
*/
public abstract class AbstractRead {
protected String resource;
public void getContent() { // Template Method
if(open()) {
readContent();
close();
}
}
public void setResource(String s) {
resource = s;
}
protected abstract boolean open();
protected abstract void readContent();
protected abstract void close();
}
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