X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fserial%2FImporter.java;h=a017fabfd362ea3ad27f72e0a6305856db2e41a1;hb=564bbbdbc349805ff7fc1142facbedae87e5dc0e;hp=e7285c42ca329c7a6e84c73fba0189c228493781;hpb=f4053377fa15da2f11e82955bfab86e673fa371c;p=nikiroo-utils.git diff --git a/src/be/nikiroo/utils/serial/Importer.java b/src/be/nikiroo/utils/serial/Importer.java index e7285c4..a017fab 100644 --- a/src/be/nikiroo/utils/serial/Importer.java +++ b/src/be/nikiroo/utils/serial/Importer.java @@ -1,11 +1,14 @@ package be.nikiroo.utils.serial; import java.io.IOException; +import java.io.InputStream; import java.lang.reflect.Field; import java.util.HashMap; import java.util.Map; -import java.util.Scanner; +import be.nikiroo.utils.IOUtils; +import be.nikiroo.utils.NextableInputStream; +import be.nikiroo.utils.NextableInputStreamStep; import be.nikiroo.utils.StringUtils; /** @@ -58,31 +61,42 @@ public class Importer { * if a class described in the serialised data cannot be found * @throws IOException * if the content cannot be read (for instance, corrupt data) + * @throws NullPointerException + * if the stream is empty */ - public Importer read(String data) throws NoSuchFieldException, - NoSuchMethodException, ClassNotFoundException, IOException { + public Importer read(InputStream in) throws NoSuchFieldException, + NoSuchMethodException, ClassNotFoundException, IOException, + NullPointerException { + + NextableInputStream stream = new NextableInputStream(in, + new NextableInputStreamStep('\n')); - Scanner scan = new Scanner(data); try { - scan.useDelimiter("\n"); - while (scan.hasNext()) { - String line = scan.next(); + if (in == null || stream.eof()) { + if (in == null) { + throw new NullPointerException("InputStream is null"); + } + throw new NullPointerException("InputStream is empty"); + } - if (line.startsWith("ZIP:")) { + while (stream.next()) { + boolean zip = stream.startsWiths("ZIP:"); + boolean b64 = stream.startsWiths("B64:"); + + if (zip || b64) { + InputStream decoded = StringUtils.unbase64(stream.open(), + zip); try { - line = StringUtils.unzip64(line.substring("ZIP:" - .length())); - } catch (IOException e) { - throw new IOException( - "Internal error when decoding ZIP content: input may be corrupt"); + read(decoded); + } finally { + decoded.close(); } - read(line); } else { - processLine(line); + processLine(stream); } } } finally { - scan.close(); + stream.close(false); } return this; @@ -108,11 +122,12 @@ public class Importer { * @throws IOException * if the content cannot be read (for instance, corrupt data) */ - private boolean processLine(String line) throws NoSuchFieldException, + private boolean processLine(InputStream in) throws NoSuchFieldException, NoSuchMethodException, ClassNotFoundException, IOException { + // Defer to latest child if any if (child != null) { - if (child.processLine(line)) { + if (child.processLine(in)) { if (currentFieldName != null) { setField(currentFieldName, child.getValue()); currentFieldName = null; @@ -123,6 +138,9 @@ public class Importer { return false; } + // TODO use the stream, Luke + String line = IOUtils.readSmallStream(in); + if (line.equals("{")) { // START: new child if needed if (link != null) { child = new Importer(map);