Alawn/Java-8583-Util
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Implement #13

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This commit is contained in:
Enrique Zamudio
2013-05-13 18:54:44 -05:00
parent 160f780309
commit 2e521c2b6d
8 changed files with 92 additions and 58 deletions
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src/main/java/com/solab/iso8583/IsoValue.java
+41 -39
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@@ -245,48 +245,50 @@ public class IsoValue<T> implements Cloneable {
return encoder;
}
protected void writeLengthHeader(final int l, final OutputStream outs, final int digits,
final boolean binary, final boolean forceStringEncoding)
throws IOException {
if (binary) {
if (digits == 3) {
outs.write(l / 100); //00 to 09 automatically in BCD
}
//BCD encode the rest of the length
outs.write((((l % 100) / 10) << 4) | (l % 10));
} else if (forceStringEncoding) {
String lhead = Integer.toString(l);
final int ldiff = digits - lhead.length();
if (ldiff == 1) {
lhead = '0' + lhead;
} else if (ldiff == 2) {
lhead = "00" + lhead;
}
outs.write(lhead.getBytes(encoding));
} else {
//write the length in ASCII
if (digits == 3) {
outs.write((l / 100) + 48);
}
if (l >= 10) {
outs.write(((l % 100) / 10) + 48);
} else {
outs.write(48);
}
outs.write((l % 10) + 48);
}
}
/** Writes the formatted value to a stream, with the length header
* if it's a variable length type. */
public void write(OutputStream outs, boolean binary) throws IOException {
* if it's a variable length type.
* @param outs The stream to which the value will be written.
* @param binary Specifies whether the value should be written in binary or text format.
* @param forceStringEncoding When using text format, force the encoding of length headers
* for variable-length fields to be done with the proper character encoding. When false,
* the length headers are encoded as ASCII; this used to be the only behavior. */
public void write(final OutputStream outs, final boolean binary, final boolean forceStringEncoding) throws IOException {
if (type == IsoType.LLLVAR || type == IsoType.LLVAR) {
if (binary) {
if (type == IsoType.LLLVAR) {
outs.write(length / 100); //00 to 09 automatically in BCD
}
//BCD encode the rest of the length
outs.write((((length % 100) / 10) << 4) | (length % 10));
} else {
//write the length in ASCII
if (type == IsoType.LLLVAR) {
outs.write((length / 100) + 48);
}
if (length >= 10) {
outs.write(((length % 100) / 10) + 48);
} else {
outs.write(48);
}
outs.write((length % 10) + 48);
}
writeLengthHeader(length, outs, type == IsoType.LLLVAR ? 3 : 2, binary, forceStringEncoding);
} else if (type == IsoType.LLBIN || type == IsoType.LLLBIN) {
if (binary) {
if (type == IsoType.LLLBIN ) {
outs.write(length / 100); //00 to 09 automatically in BCD
}
//BCD encode the rest of the length
outs.write((((length % 100) / 10) << 4) | (length % 10));
} else {
int _l = length*2;
//write the length in ASCII
if (type == IsoType.LLLBIN) {
outs.write((_l / 100) + 48);
}
if (_l >= 10) {
outs.write(((_l % 100) / 10) + 48);
} else {
outs.write(48);
}
outs.write((_l % 10) + 48);
}
writeLengthHeader(binary ? length : length*2, outs, type == IsoType.LLLBIN ? 3 : 2, binary, forceStringEncoding);
} else if (binary) {
//numeric types in binary are coded like this
byte[] buf = null;