1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | |
|
18 | |
|
19 | |
package org.apache.johnzon.core; |
20 | |
|
21 | |
import static java.util.Arrays.asList; |
22 | |
|
23 | |
import java.io.OutputStream; |
24 | |
import java.io.Writer; |
25 | |
import java.nio.charset.Charset; |
26 | |
import java.util.Collection; |
27 | |
import java.util.Collections; |
28 | |
import java.util.Map; |
29 | |
import java.util.concurrent.ConcurrentMap; |
30 | |
|
31 | |
import javax.json.stream.JsonGenerator; |
32 | |
import javax.json.stream.JsonGeneratorFactory; |
33 | |
|
34 | |
public class JsonGeneratorFactoryImpl extends AbstractJsonFactory implements JsonGeneratorFactory { |
35 | |
public static final String GENERATOR_BUFFER_LENGTH = "org.apache.johnzon.default-char-buffer-generator"; |
36 | 1 | public static final int DEFAULT_GENERATOR_BUFFER_LENGTH = Integer.getInteger(GENERATOR_BUFFER_LENGTH, 64 * 1024); |
37 | |
|
38 | 1 | static final Collection<String> SUPPORTED_CONFIG_KEYS = asList( |
39 | |
JsonGenerator.PRETTY_PRINTING, GENERATOR_BUFFER_LENGTH, BUFFER_STRATEGY |
40 | |
); |
41 | |
|
42 | 3 | private final ConcurrentMap<String, String> cache = null; |
43 | |
private final boolean pretty; |
44 | |
private final BufferStrategy.BufferProvider<char[]> bufferProvider; |
45 | |
|
46 | |
public JsonGeneratorFactoryImpl(final Map<String, ?> config) { |
47 | |
|
48 | 3 | super(config, SUPPORTED_CONFIG_KEYS, null); |
49 | |
|
50 | 3 | this.pretty = getBool(JsonGenerator.PRETTY_PRINTING, false); |
51 | |
|
52 | 3 | final int bufferSize = getInt(GENERATOR_BUFFER_LENGTH, DEFAULT_GENERATOR_BUFFER_LENGTH); |
53 | 3 | if (bufferSize <= 0) { |
54 | 0 | throw new IllegalArgumentException("buffer length must be greater than zero"); |
55 | |
} |
56 | |
|
57 | 3 | this.bufferProvider = getBufferProvider().newCharProvider(bufferSize); |
58 | 3 | } |
59 | |
|
60 | |
@Override |
61 | |
public JsonGenerator createGenerator(final Writer writer) { |
62 | 1 | if (pretty) { |
63 | 0 | return new JsonPrettyGeneratorImpl(writer, bufferProvider, cache); |
64 | |
} |
65 | 1 | return new JsonGeneratorImpl(writer, bufferProvider, cache); |
66 | |
} |
67 | |
|
68 | |
@Override |
69 | |
public JsonGenerator createGenerator(final OutputStream out) { |
70 | 22 | if (pretty) { |
71 | 1 | return new JsonPrettyGeneratorImpl(out, bufferProvider, cache); |
72 | |
} |
73 | 21 | return new JsonGeneratorImpl(out, bufferProvider, cache); |
74 | |
} |
75 | |
|
76 | |
@Override |
77 | |
public JsonGenerator createGenerator(final OutputStream out, final Charset charset) { |
78 | 0 | if (pretty) { |
79 | 0 | return new JsonPrettyGeneratorImpl(out,charset, bufferProvider, cache); |
80 | |
} |
81 | 0 | return new JsonGeneratorImpl(out,charset, bufferProvider, cache); |
82 | |
} |
83 | |
|
84 | |
@Override |
85 | |
public Map<String, ?> getConfigInUse() { |
86 | 0 | return Collections.unmodifiableMap(internalConfig); |
87 | |
} |
88 | |
} |