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18 package org.apache.commons.configuration2;
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20 import java.io.IOException;
21 import java.io.InputStream;
22 import java.io.Reader;
23 import java.io.Writer;
24 import java.util.Map;
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26 import org.apache.commons.configuration2.ex.ConfigurationException;
27 import org.apache.commons.configuration2.io.InputStreamSupport;
28 import org.apache.commons.configuration2.tree.ImmutableNode;
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30 import com.fasterxml.jackson.databind.ObjectMapper;
31 import com.fasterxml.jackson.databind.type.MapType;
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40 public class JSONConfiguration extends AbstractYAMLBasedConfiguration implements FileBasedConfiguration, InputStreamSupport {
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45 private final ObjectMapper mapper = new ObjectMapper();
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50 private final MapType type = mapper.getTypeFactory().constructMapType(Map.class, String.class, Object.class);
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55 public JSONConfiguration() {
56 }
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63 public JSONConfiguration(final HierarchicalConfiguration<ImmutableNode> c) {
64 super(c);
65 }
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67 @Override
68 public void read(final Reader in) throws ConfigurationException {
69 try {
70 load(mapper.readValue(in, this.type));
71 } catch (final Exception e) {
72 rethrowException(e);
73 }
74 }
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76 @Override
77 public void write(final Writer out) throws ConfigurationException, IOException {
78 this.mapper.writer().writeValue(out, constructMap(this.getNodeModel().getNodeHandler().getRootNode()));
79 }
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87 @Override
88 public void read(final InputStream in) throws ConfigurationException {
89 try {
90 load(mapper.readValue(in, this.type));
91 } catch (final Exception e) {
92 rethrowException(e);
93 }
94 }
95
96 }