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Administrator
h2database
Commits
78018191
提交
78018191
authored
9月 10, 2018
作者:
Evgenij Ryazanov
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Move exception handler to top parseEWKB() method
上级
573e605d
隐藏空白字符变更
内嵌
并排
正在显示
1 个修改的文件
包含
103 行增加
和
104 行删除
+103
-104
EWKBUtils.java
h2/src/main/org/h2/util/geometry/EWKBUtils.java
+103
-104
没有找到文件。
h2/src/main/org/h2/util/geometry/EWKBUtils.java
浏览文件 @
78018191
...
...
@@ -269,7 +269,11 @@ public final class EWKBUtils {
* output target
*/
public
static
void
parseEWKB
(
byte
[]
ewkb
,
Target
target
)
{
parseEWKB
(
new
EWKBSource
(
ewkb
),
target
,
0
,
0
);
try
{
parseEWKB
(
new
EWKBSource
(
ewkb
),
target
,
0
,
0
);
}
catch
(
ArrayIndexOutOfBoundsException
e
)
{
throw
new
IllegalArgumentException
();
}
}
/**
...
...
@@ -286,120 +290,115 @@ public final class EWKBUtils {
* root geometry (will be determined from the EWKB instead)
*/
private
static
void
parseEWKB
(
EWKBSource
source
,
Target
target
,
int
parentType
,
int
parentSrid
)
{
try
{
// Read byte order of a next geometry
switch
(
source
.
readByte
())
{
case
0
:
source
.
bigEndian
=
true
;
break
;
case
1
:
source
.
bigEndian
=
false
;
break
;
default
:
// Read byte order of a next geometry
switch
(
source
.
readByte
())
{
case
0
:
source
.
bigEndian
=
true
;
break
;
case
1
:
source
.
bigEndian
=
false
;
break
;
default
:
throw
new
IllegalArgumentException
();
}
// Type contains type of a geometry and additional flags
int
type
=
source
.
readInt
();
// PostGIS extensions
boolean
useZ
=
(
type
&
EWKB_Z
)
!=
0
;
boolean
useM
=
(
type
&
EWKB_M
)
!=
0
;
int
srid
=
(
type
&
EWKB_SRID
)
!=
0
?
source
.
readInt
()
:
0
;
// Preserve parent SRID unconditionally
if
(
parentType
!=
0
)
{
srid
=
parentSrid
;
}
// OGC 06-103r4
type
&=
0xffff
;
switch
(
type
/
1_000
)
{
case
DIMENSION_SYSTEM_XYZ:
useZ
=
true
;
break
;
case
DIMENSION_SYSTEM_XYZM:
useZ
=
true
;
//$FALL-THROUGH$
case
DIMENSION_SYSTEM_XYM:
useM
=
true
;
}
type
%=
1_000
;
switch
(
type
)
{
case
POINT:
if
(
parentType
!=
0
&&
parentType
!=
MULTI_POINT
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
// Type contains type of a geometry and additional flags
int
type
=
source
.
readInt
();
// PostGIS extensions
boolean
useZ
=
(
type
&
EWKB_Z
)
!=
0
;
boolean
useM
=
(
type
&
EWKB_M
)
!=
0
;
int
srid
=
(
type
&
EWKB_SRID
)
!=
0
?
source
.
readInt
()
:
0
;
// Preserve parent SRID unconditionally
if
(
parentType
!=
0
)
{
srid
=
parentSrid
;
target
.
startPoint
(
srid
);
addCoordinate
(
source
,
target
,
useZ
,
useM
,
0
,
1
);
break
;
case
LINE_STRING:
{
if
(
parentType
!=
0
&&
parentType
!=
MULTI_LINE_STRING
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
// OGC 06-103r4
type
&=
0xffff
;
switch
(
type
/
1_000
)
{
case
DIMENSION_SYSTEM_XYZ:
useZ
=
true
;
break
;
case
DIMENSION_SYSTEM_XYZM:
useZ
=
true
;
//$FALL-THROUGH$
case
DIMENSION_SYSTEM_XYM:
useM
=
true
;
int
numPoints
=
source
.
readInt
();
if
(
numPoints
<
0
||
numPoints
==
1
)
{
throw
new
IllegalArgumentException
();
}
type
%=
1_000
;
switch
(
type
)
{
case
POINT:
if
(
parentType
!=
0
&&
parentType
!=
MULTI_POINT
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
target
.
startPoint
(
srid
);
addCoordinate
(
source
,
target
,
useZ
,
useM
,
0
,
1
);
break
;
case
LINE_STRING:
{
if
(
parentType
!=
0
&&
parentType
!=
MULTI_LINE_STRING
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
int
numPoints
=
source
.
readInt
();
if
(
numPoints
<
0
||
numPoints
==
1
)
{
throw
new
IllegalArgumentException
();
}
target
.
startLineString
(
srid
,
numPoints
);
for
(
int
i
=
0
;
i
<
numPoints
;
i
++)
{
addCoordinate
(
source
,
target
,
useZ
,
useM
,
i
,
numPoints
);
}
break
;
target
.
startLineString
(
srid
,
numPoints
);
for
(
int
i
=
0
;
i
<
numPoints
;
i
++)
{
addCoordinate
(
source
,
target
,
useZ
,
useM
,
i
,
numPoints
);
}
case
POLYGON:
{
if
(
parentType
!=
0
&&
parentType
!=
MULTI_POLYGON
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
int
numInner
=
source
.
readInt
()
-
1
;
if
(
numInner
<
0
)
{
throw
new
IllegalArgumentException
();
}
int
size
=
source
.
readInt
();
// Size may be 0 (EMPTY) or 4+
if
(
size
<
0
||
size
>=
1
&&
size
<=
3
)
{
throw
new
IllegalArgumentException
();
}
if
(
size
==
0
&&
numInner
>
0
)
{
throw
new
IllegalArgumentException
();
}
target
.
startPolygon
(
srid
,
numInner
,
size
);
if
(
size
>
0
)
{
addRing
(
source
,
target
,
useZ
,
useM
,
size
);
for
(
int
i
=
0
;
i
<
numInner
;
i
++)
{
size
=
source
.
readInt
();
// Size may be 0 (EMPTY) or 4+
if
(
size
<
0
||
size
>=
1
&&
size
<=
3
)
{
throw
new
IllegalArgumentException
();
}
target
.
startPolygonInner
(
size
);
addRing
(
source
,
target
,
useZ
,
useM
,
size
);
break
;
}
case
POLYGON:
{
if
(
parentType
!=
0
&&
parentType
!=
MULTI_POLYGON
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
int
numInner
=
source
.
readInt
()
-
1
;
if
(
numInner
<
0
)
{
throw
new
IllegalArgumentException
();
}
int
size
=
source
.
readInt
();
// Size may be 0 (EMPTY) or 4+
if
(
size
<
0
||
size
>=
1
&&
size
<=
3
)
{
throw
new
IllegalArgumentException
();
}
if
(
size
==
0
&&
numInner
>
0
)
{
throw
new
IllegalArgumentException
();
}
target
.
startPolygon
(
srid
,
numInner
,
size
);
if
(
size
>
0
)
{
addRing
(
source
,
target
,
useZ
,
useM
,
size
);
for
(
int
i
=
0
;
i
<
numInner
;
i
++)
{
size
=
source
.
readInt
();
// Size may be 0 (EMPTY) or 4+
if
(
size
<
0
||
size
>=
1
&&
size
<=
3
)
{
throw
new
IllegalArgumentException
();
}
target
.
endNonEmptyPolygon
();
target
.
startPolygonInner
(
size
);
addRing
(
source
,
target
,
useZ
,
useM
,
size
);
}
break
;
target
.
endNonEmptyPolygon
()
;
}
case
MULTI_POINT:
case
MULTI_LINE_STRING:
case
MULTI_POLYGON:
case
GEOMETRY_COLLECTION:
{
if
(
parentType
!=
0
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
int
numItems
=
source
.
readInt
();
if
(
numItems
<
0
)
{
throw
new
IllegalArgumentException
();
}
target
.
startCollection
(
type
,
srid
,
numItems
);
for
(
int
i
=
0
;
i
<
numItems
;
i
++)
{
Target
innerTarget
=
target
.
startCollectionItem
(
i
,
numItems
);
parseEWKB
(
source
,
innerTarget
,
type
,
srid
);
target
.
endCollectionItem
(
innerTarget
,
i
,
numItems
);
}
target
.
endCollection
(
type
);
break
;
break
;
}
case
MULTI_POINT:
case
MULTI_LINE_STRING:
case
MULTI_POLYGON:
case
GEOMETRY_COLLECTION:
{
if
(
parentType
!=
0
&&
parentType
!=
GEOMETRY_COLLECTION
)
{
throw
new
IllegalArgumentException
();
}
default
:
int
numItems
=
source
.
readInt
();
if
(
numItems
<
0
)
{
throw
new
IllegalArgumentException
();
}
}
catch
(
ArrayIndexOutOfBoundsException
e
)
{
e
.
printStackTrace
();
target
.
startCollection
(
type
,
srid
,
numItems
);
for
(
int
i
=
0
;
i
<
numItems
;
i
++)
{
Target
innerTarget
=
target
.
startCollectionItem
(
i
,
numItems
);
parseEWKB
(
source
,
innerTarget
,
type
,
srid
);
target
.
endCollectionItem
(
innerTarget
,
i
,
numItems
);
}
target
.
endCollection
(
type
);
break
;
}
default
:
throw
new
IllegalArgumentException
();
}
}
...
...
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