Kaladaran/briar
0
0
Fork 0
mirror of https://code.briarproject.org/briar/briar.git synced 2026-02-12 10:49:06 +01:00
Code Issues Projects Releases Wiki Activity

Renamed BdfReader methods, added convenience methods.

Browse Source
This commit is contained in:
akwizgran
2016-02-29 13:32:44 +00:00
parent 9dec498e7e
commit 3ce62818aa
8 changed files with 128 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
briar-api/src/org/briarproject/api/data/BdfReader.java
View File

@@ -15,13 +15,13 @@ public interface BdfReader {
boolean readBoolean() throws IOException;
void skipBoolean() throws IOException;
boolean hasInteger() throws IOException;
long readInteger() throws IOException;
void skipInteger() throws IOException;
boolean hasLong() throws IOException;
long readLong() throws IOException;
void skipLong() throws IOException;
boolean hasFloat() throws IOException;
double readFloat() throws IOException;
void skipFloat() throws IOException;
boolean hasDouble() throws IOException;
double readDouble() throws IOException;
void skipDouble() throws IOException;
boolean hasString() throws IOException;
String readString(int maxLength) throws IOException;
@@ -32,12 +32,14 @@ public interface BdfReader {
void skipRaw() throws IOException;
boolean hasList() throws IOException;
BdfList readList() throws IOException;
void readListStart() throws IOException;
boolean hasListEnd() throws IOException;
void readListEnd() throws IOException;
void skipList() throws IOException;
boolean hasDictionary() throws IOException;
BdfDictionary readDictionary() throws IOException;
void readDictionaryStart() throws IOException;
boolean hasDictionaryEnd() throws IOException;
void readDictionaryEnd() throws IOException;

61
briar-core/src/org/briarproject/data/BdfReaderImpl.java
View File

@@ -1,11 +1,14 @@
package org.briarproject.data;
import org.briarproject.api.FormatException;
import org.briarproject.api.data.BdfDictionary;
import org.briarproject.api.data.BdfList;
import org.briarproject.api.data.BdfReader;
import java.io.IOException;
import java.io.InputStream;
import static org.briarproject.api.data.BdfDictionary.NULL_VALUE;
import static org.briarproject.data.Types.DICTIONARY;
import static org.briarproject.data.Types.END;
import static org.briarproject.data.Types.FALSE;
@@ -74,11 +77,26 @@ class BdfReaderImpl implements BdfReader {
}
}
private Object readObject() throws IOException {
if (hasNull()) {
readNull();
return NULL_VALUE;
}
if (hasBoolean()) return readBoolean();
if (hasLong()) return readLong();
if (hasDouble()) return readDouble();
if (hasString()) return readString(Integer.MAX_VALUE);
if (hasRaw()) return readRaw(Integer.MAX_VALUE);
if (hasList()) return readList();
if (hasDictionary()) return readDictionary();
throw new FormatException();
}
private void skipObject() throws IOException {
if (hasNull()) skipNull();
else if (hasBoolean()) skipBoolean();
else if (hasInteger()) skipInteger();
else if (hasFloat()) skipFloat();
else if (hasLong()) skipLong();
else if (hasDouble()) skipDouble();
else if (hasString()) skipString();
else if (hasRaw()) skipRaw();
else if (hasList()) skipList();
@@ -129,15 +147,15 @@ class BdfReaderImpl implements BdfReader {
hasLookahead = false;
}
public boolean hasInteger() throws IOException {
public boolean hasLong() throws IOException {
if (!hasLookahead) readLookahead();
if (eof) return false;
return next == INT_8 || next == INT_16 || next == INT_32 ||
next == INT_64;
}
public long readInteger() throws IOException {
if (!hasInteger()) throw new FormatException();
public long readLong() throws IOException {
if (!hasLong()) throw new FormatException();
hasLookahead = false;
if (next == INT_8) return readInt8();
if (next == INT_16) return readInt16();
@@ -169,8 +187,8 @@ class BdfReaderImpl implements BdfReader {
return value;
}
public void skipInteger() throws IOException {
if (!hasInteger()) throw new FormatException();
public void skipLong() throws IOException {
if (!hasLong()) throw new FormatException();
if (next == INT_8) skip(1);
else if (next == INT_16) skip(2);
else if (next == INT_32) skip(4);
@@ -178,14 +196,14 @@ class BdfReaderImpl implements BdfReader {
hasLookahead = false;
}
public boolean hasFloat() throws IOException {
public boolean hasDouble() throws IOException {
if (!hasLookahead) readLookahead();
if (eof) return false;
return next == FLOAT_64;
}
public double readFloat() throws IOException {
if (!hasFloat()) throw new FormatException();
public double readDouble() throws IOException {
if (!hasDouble()) throw new FormatException();
hasLookahead = false;
readIntoBuffer(8);
long value = 0;
@@ -193,8 +211,8 @@ class BdfReaderImpl implements BdfReader {
return Double.longBitsToDouble(value);
}
public void skipFloat() throws IOException {
if (!hasFloat()) throw new FormatException();
public void skipDouble() throws IOException {
if (!hasDouble()) throw new FormatException();
skip(8);
hasLookahead = false;
}
@@ -268,6 +286,15 @@ class BdfReaderImpl implements BdfReader {
return next == LIST;
}
public BdfList readList() throws IOException {
if (!hasList()) throw new FormatException();
BdfList list = new BdfList();
readListStart();
while (!hasListEnd()) list.add(readObject());
readListEnd();
return list;
}
public void readListStart() throws IOException {
if (!hasList()) throw new FormatException();
hasLookahead = false;
@@ -305,6 +332,16 @@ class BdfReaderImpl implements BdfReader {
return next == DICTIONARY;
}
public BdfDictionary readDictionary() throws IOException {
if (!hasDictionary()) throw new FormatException();
BdfDictionary dictionary = new BdfDictionary();
readDictionaryStart();
while (!hasDictionaryEnd())
dictionary.put(readString(Integer.MAX_VALUE), readObject());
readDictionaryEnd();
return dictionary;
}
public void readDictionaryStart() throws IOException {
if (!hasDictionary()) throw new FormatException();
hasLookahead = false;

2
briar-core/src/org/briarproject/forum/ForumListValidator.java
View File

@@ -41,7 +41,7 @@ class ForumListValidator implements MessageValidator {
MESSAGE_HEADER_LENGTH, raw.length - MESSAGE_HEADER_LENGTH);
BdfReader r = bdfReaderFactory.createReader(in);
r.readListStart();
long version = r.readInteger();
long version = r.readLong();
if (version < 0) throw new FormatException();
r.readListStart();
while (!r.hasListEnd()) {

2
briar-core/src/org/briarproject/forum/ForumSharingManagerImpl.java
View File

@@ -345,7 +345,7 @@ class ForumSharingManagerImpl implements ForumSharingManager, AddContactHook,
BdfReader r = bdfReaderFactory.createReader(in);
try {
r.readListStart();
r.skipInteger(); // Version
r.skipLong(); // Version
r.readListStart();
while (!r.hasListEnd()) {
r.readListStart();

2
briar-core/src/org/briarproject/invitation/Connector.java
View File

@@ -202,7 +202,7 @@ abstract class Connector extends Thread {
}
protected long receiveTimestamp(BdfReader r) throws IOException {
long timestamp = r.readInteger();
long timestamp = r.readLong();
if (timestamp < 0) throw new FormatException();
if (LOG.isLoggable(INFO)) LOG.info(pluginName + " received timestamp");
return timestamp;

2
briar-core/src/org/briarproject/properties/TransportPropertyManagerImpl.java
View File

@@ -342,7 +342,7 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
r.readListStart();
r.skipRaw(); // Device ID
r.skipString(); // Transport ID
r.skipInteger(); // Version
r.skipLong(); // Version
r.readDictionaryStart();
while (!r.hasDictionaryEnd()) {
String key = r.readString(MAX_PROPERTY_LENGTH);

2
briar-core/src/org/briarproject/properties/TransportPropertyValidator.java
View File

@@ -57,7 +57,7 @@ class TransportPropertyValidator implements MessageValidator {
if (deviceId.length != UniqueId.LENGTH) throw new FormatException();
String transportId = r.readString(MAX_TRANSPORT_ID_LENGTH);
if (transportId.length() == 0) throw new FormatException();
long version = r.readInteger();
long version = r.readLong();
if (version < 0) throw new FormatException();
r.readDictionaryStart();
for (int i = 0; !r.hasDictionaryEnd(); i++) {

100
briar-tests/src/org/briarproject/data/BdfReaderImplTest.java
View File

@@ -3,11 +3,14 @@ package org.briarproject.data;
import org.briarproject.BriarTestCase;
import org.briarproject.TestUtils;
import org.briarproject.api.FormatException;
import org.briarproject.api.data.BdfDictionary;
import org.briarproject.api.data.BdfList;
import org.briarproject.util.StringUtils;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import static org.briarproject.api.data.BdfDictionary.NULL_VALUE;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@@ -57,17 +60,17 @@ public class BdfReaderImplTest extends BriarTestCase {
public void testReadInt8() throws Exception {
setContents("21" + "00" + "21" + "FF"
+ "21" + "7F" + "21" + "80");
assertEquals(0, r.readInteger());
assertEquals(-1, r.readInteger());
assertEquals(Byte.MAX_VALUE, r.readInteger());
assertEquals(Byte.MIN_VALUE, r.readInteger());
assertEquals(0, r.readLong());
assertEquals(-1, r.readLong());
assertEquals(Byte.MAX_VALUE, r.readLong());
assertEquals(Byte.MIN_VALUE, r.readLong());
assertTrue(r.eof());
}
@Test
public void testSkipInt8() throws Exception {
setContents("21" + "00");
r.skipInteger();
r.skipLong();
assertTrue(r.eof());
}
@@ -75,17 +78,17 @@ public class BdfReaderImplTest extends BriarTestCase {
public void testReadInt16() throws Exception {
setContents("22" + "0080" + "22" + "FF7F"
+ "22" + "7FFF" + "22" + "8000");
assertEquals(Byte.MAX_VALUE + 1, r.readInteger());
assertEquals(Byte.MIN_VALUE - 1, r.readInteger());
assertEquals(Short.MAX_VALUE, r.readInteger());
assertEquals(Short.MIN_VALUE, r.readInteger());
assertEquals(Byte.MAX_VALUE + 1, r.readLong());
assertEquals(Byte.MIN_VALUE - 1, r.readLong());
assertEquals(Short.MAX_VALUE, r.readLong());
assertEquals(Short.MIN_VALUE, r.readLong());
assertTrue(r.eof());
}
@Test
public void testSkipInt16() throws Exception {
setContents("22" + "0080");
r.skipInteger();
r.skipLong();
assertTrue(r.eof());
}
@@ -93,17 +96,17 @@ public class BdfReaderImplTest extends BriarTestCase {
public void testReadInt32() throws Exception {
setContents("24" + "00008000" + "24" + "FFFF7FFF"
+ "24" + "7FFFFFFF" + "24" + "80000000");
assertEquals(Short.MAX_VALUE + 1, r.readInteger());
assertEquals(Short.MIN_VALUE - 1, r.readInteger());
assertEquals(Integer.MAX_VALUE, r.readInteger());
assertEquals(Integer.MIN_VALUE, r.readInteger());
assertEquals(Short.MAX_VALUE + 1, r.readLong());
assertEquals(Short.MIN_VALUE - 1, r.readLong());
assertEquals(Integer.MAX_VALUE, r.readLong());
assertEquals(Integer.MIN_VALUE, r.readLong());
assertTrue(r.eof());
}
@Test
public void testSkipInt32() throws Exception {
setContents("24" + "00008000");
r.skipInteger();
r.skipLong();
assertTrue(r.eof());
}
@@ -111,17 +114,17 @@ public class BdfReaderImplTest extends BriarTestCase {
public void testReadInt64() throws Exception {
setContents("28" + "0000000080000000" + "28" + "FFFFFFFF7FFFFFFF"
+ "28" + "7FFFFFFFFFFFFFFF" + "28" + "8000000000000000");
assertEquals(Integer.MAX_VALUE + 1L, r.readInteger());
assertEquals(Integer.MIN_VALUE - 1L, r.readInteger());
assertEquals(Long.MAX_VALUE, r.readInteger());
assertEquals(Long.MIN_VALUE, r.readInteger());
assertEquals(Integer.MAX_VALUE + 1L, r.readLong());
assertEquals(Integer.MIN_VALUE - 1L, r.readLong());
assertEquals(Long.MAX_VALUE, r.readLong());
assertEquals(Long.MIN_VALUE, r.readLong());
assertTrue(r.eof());
}
@Test
public void testSkipInt64() throws Exception {
setContents("28" + "0000000080000000");
r.skipInteger();
r.skipLong();
assertTrue(r.eof());
}
@@ -133,21 +136,23 @@ public class BdfReaderImplTest extends BriarTestCase {
+ "38" + "4000000000000000" + "38" + "BFF0000000000000"
+ "38" + "8000000000000000" + "38" + "FFF0000000000000"
+ "38" + "7FF0000000000000" + "38" + "7FF8000000000000");
assertEquals(0, Double.compare(0.0, r.readFloat()));
assertEquals(0, Double.compare(1.0, r.readFloat()));
assertEquals(0, Double.compare(2.0, r.readFloat()));
assertEquals(0, Double.compare(-1.0, r.readFloat()));
assertEquals(0, Double.compare(-0.0, r.readFloat()));
assertEquals(0, Double.compare(Double.NEGATIVE_INFINITY, r.readFloat()));
assertEquals(0, Double.compare(Double.POSITIVE_INFINITY, r.readFloat()));
assertTrue(Double.isNaN(r.readFloat()));
assertEquals(0, Double.compare(0.0, r.readDouble()));
assertEquals(0, Double.compare(1.0, r.readDouble()));
assertEquals(0, Double.compare(2.0, r.readDouble()));
assertEquals(0, Double.compare(-1.0, r.readDouble()));
assertEquals(0, Double.compare(-0.0, r.readDouble()));
assertEquals(0, Double.compare(Double.NEGATIVE_INFINITY,
r.readDouble()));
assertEquals(0, Double.compare(Double.POSITIVE_INFINITY,
r.readDouble()));
assertTrue(Double.isNaN(r.readDouble()));
assertTrue(r.eof());
}
@Test
public void testSkipFloat() throws Exception {
setContents("38" + "0000000000000000");
r.skipFloat();
r.skipDouble();
assertTrue(r.eof());
}
@@ -377,17 +382,31 @@ public class BdfReaderImplTest extends BriarTestCase {
@Test
public void testReadList() throws Exception {
// A list containing 1, "foo", and 128
// A list containing 1, "foo", and null
setContents("60" + "21" + "01" +
"41" + "03" + "666F6F" +
"22" + "0080" + "80");
"00" + "80");
BdfList list = r.readList();
assertEquals(3, list.size());
assertEquals(1L, list.get(0));
assertEquals("foo", list.get(1));
assertEquals(NULL_VALUE, list.get(2));
}
@Test
public void testReadListManually() throws Exception {
// A list containing 1, "foo", and null
setContents("60" + "21" + "01" +
"41" + "03" + "666F6F" +
"00" + "80");
r.readListStart();
assertFalse(r.hasListEnd());
assertEquals(1, r.readInteger());
assertEquals(1, r.readLong());
assertFalse(r.hasListEnd());
assertEquals("foo", r.readString(1000));
assertFalse(r.hasListEnd());
assertEquals(128, r.readInteger());
assertTrue(r.hasNull());
r.readNull();
assertTrue(r.hasListEnd());
r.readListEnd();
assertTrue(r.eof());
@@ -405,6 +424,19 @@ public class BdfReaderImplTest extends BriarTestCase {
@Test
public void testReadDictionary() throws Exception {
// A dictionary containing "foo" -> 123 and "bar" -> null
setContents("70" + "41" + "03" + "666F6F" + "21" + "7B" +
"41" + "03" + "626172" + "00" + "80");
BdfDictionary dictionary = r.readDictionary();
assertEquals(2, dictionary.size());
assertTrue(dictionary.containsKey("foo"));
assertEquals(123L, dictionary.get("foo"));
assertTrue(dictionary.containsKey("bar"));
assertEquals(NULL_VALUE, dictionary.get("bar"));
}
@Test
public void testReadDictionaryManually() throws Exception {
// A dictionary containing "foo" -> 123 and "bar" -> null
setContents("70" + "41" + "03" + "666F6F" + "21" + "7B" +
"41" + "03" + "626172" + "00" + "80");
@@ -412,7 +444,7 @@ public class BdfReaderImplTest extends BriarTestCase {
assertFalse(r.hasDictionaryEnd());
assertEquals("foo", r.readString(1000));
assertFalse(r.hasDictionaryEnd());
assertEquals(123, r.readInteger());
assertEquals(123, r.readLong());
assertFalse(r.hasDictionaryEnd());
assertEquals("bar", r.readString(1000));
assertFalse(r.hasDictionaryEnd());