X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fserial%2FCustomSerializer.java;h=3ac47a89eb2df4957ebebd8309c95c02de01add8;hb=3b4319db57971bce3afd9092a0f9db9809d47ca2;hp=80bac595a8a13068b1b45b10ece585c1566d5bb9;hpb=ecd81c088d8df94c47c85399afdab87bbd39afaf;p=nikiroo-utils.git diff --git a/src/be/nikiroo/utils/serial/CustomSerializer.java b/src/be/nikiroo/utils/serial/CustomSerializer.java index 80bac59..3ac47a8 100644 --- a/src/be/nikiroo/utils/serial/CustomSerializer.java +++ b/src/be/nikiroo/utils/serial/CustomSerializer.java @@ -4,6 +4,12 @@ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; +import be.nikiroo.utils.IOUtils; +import be.nikiroo.utils.streams.NextableInputStream; +import be.nikiroo.utils.streams.NextableInputStreamStep; +import be.nikiroo.utils.streams.ReplaceInputStream; +import be.nikiroo.utils.streams.ReplaceOutputStream; + public abstract class CustomSerializer { protected abstract void toStream(OutputStream out, Object value) @@ -21,28 +27,68 @@ public abstract class CustomSerializer { * @param value * the object to encode * - * @return FALSE if the value is not supported, TRUE if the operation was - * successful (if the value is supported by the operation was not - * successful, you will get an {@link IOException}) - * * @throws IOException * in case of I/O error */ - public boolean encode(OutputStream out, Object value) throws IOException { - if (!isSupported(value)) { - return false; + public void encode(OutputStream out, Object value) throws IOException { + ReplaceOutputStream replace = new ReplaceOutputStream(out, // + new String[] { "\\", "\n" }, // + new String[] { "\\\\", "\\n" }); + try { + SerialUtils.write(replace, "custom^"); + SerialUtils.write(replace, getType()); + SerialUtils.write(replace, "^"); + toStream(replace, value); + } finally { + replace.close(false); } + } - SerialUtils.write(out, "custom^"); - SerialUtils.write(out, getType()); - SerialUtils.write(out, "^"); - toStream(out, value); + public Object decode(InputStream in) throws IOException { + ReplaceInputStream replace = new ReplaceInputStream(in, // + new String[] { "\\\\", "\\n" }, // + new String[] { "\\", "\n" }); - return true; - } + try { + NextableInputStream stream = new NextableInputStream( + replace.open(), new NextableInputStreamStep('^')); + try { + if (!stream.next()) { + throw new IOException( + "Cannot find the first custom^ element"); + } + + String custom = IOUtils.readSmallStream(stream); + if (!"custom".equals(custom)) { + throw new IOException( + "Cannot find the first custom^ element, it is: " + + custom + "^"); + } - public Object decode(String encodedValue) throws IOException { - return fromString((String) SerialUtils.decode(contentOf(encodedValue))); + if (!stream.next()) { + throw new IOException("Cannot find the second custom^" + + getType() + " element"); + } + + String type = IOUtils.readSmallStream(stream); + if (!getType().equals(type)) { + throw new IOException("Cannot find the second custom^" + + getType() + " element, it is: custom^" + type + + "^"); + } + + if (!stream.nextAll()) { + throw new IOException("Cannot find the third custom^" + + getType() + "^value element"); + } + + return fromStream(stream); + } finally { + stream.close(); + } + } finally { + replace.close(false); + } } public static boolean isCustom(String encodedValue) {