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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.hitfield;
/**
* A representation of some binary data with unknown semantics
*
* @author arnej27959
*/
public final class RawData {
private final byte[] content;
/**
* Constructor, takes ownership of the given byte array.
*
* @param content some bytes, handover
*/
public RawData(byte[] content) {
this.content = content;
}
/** Returns the internal byte array containing the actual data received */
public byte[] getInternalData() {
return content;
}
/**
* An ascii string; non-ascii data is escaped with hex notation.
* NB: not always uniquely reversible.
*/
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
for (byte b : content) {
int i = b;
i &= 0xFF;
char cv = (char)i;
if ((i > 31 && i < 127) || cv == '\n' || cv == '\t') {
buf.append(cv);
} else if (i < 16) {
buf.append("\\x0");
buf.append(Integer.toHexString(i));
} else if (i < 256) {
buf.append("\\x");
buf.append(Integer.toHexString(i));
} else {
// XXX maybe we should only do this? creates possibly-invalid XML though.
buf.append("&");
buf.append(i);
buf.append(";");
}
}
return buf.toString();
}
}
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