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Move StructuredData id to its own class.
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rgoers
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Oct 22, 2009
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120 changes: 120 additions & 0 deletions
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slf4j-api/src/main/java/org/slf4j/StructuredDataId.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| package org.slf4j; | ||
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| import java.io.Serializable; | ||
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| /** | ||
| * The StructuredData identifier | ||
| */ | ||
| public class StructuredDataId implements Serializable { | ||
| private static final long serialVersionUID = 9031746276396249990L; | ||
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| public static StructuredDataId TIME_QUALITY = new StructuredDataId("timeQuality", null, | ||
| new String[]{"tzKnown", "isSynced", "syncAccuracy"}); | ||
| public static StructuredDataId ORIGIN = new StructuredDataId("origin", null, | ||
| new String[]{"ip", "enterpriseId", "software", "swVersion"}); | ||
| public static StructuredDataId META = new StructuredDataId("meta", null, | ||
| new String[]{"sequenceId", "sysUpTime", "language"}); | ||
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| public static final int RESERVED = -1; | ||
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| private final String name; | ||
| private final int enterpriseNumber; | ||
| private final String[] required; | ||
| private final String[] optional; | ||
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| protected StructuredDataId(String name, String[] required, String[] optional) { | ||
| int index = -1; | ||
| if (name != null) { | ||
| if (name.length() > 32) { | ||
| throw new IllegalArgumentException("Length of id exceeds maximum of 32 characters: " + name); | ||
| } | ||
| index = name.indexOf("@"); | ||
| } | ||
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| if (index > 0) { | ||
| this.name = name.substring(0, index); | ||
| this.enterpriseNumber = Integer.parseInt(name.substring(index + 1)); | ||
| } else { | ||
| this.name = name; | ||
| this.enterpriseNumber = RESERVED; | ||
| } | ||
| this.required = required; | ||
| this.optional = optional; | ||
| } | ||
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| /** | ||
| * A Constructor that helps conformance to RFC 5424. | ||
| * | ||
| * @param name The name portion of the id. | ||
| * @param enterpriseNumber The enterprise number. | ||
| * @param required The list of keys that are required for this id. | ||
| * @param optional The list of keys that are optional for this id. | ||
| */ | ||
| public StructuredDataId(String name, int enterpriseNumber, String[] required, String[] optional) { | ||
| if (name == null) { | ||
| throw new IllegalArgumentException("No structured id name was supplied"); | ||
| } | ||
| if (enterpriseNumber <= 0) { | ||
| throw new IllegalArgumentException("No enterprise number was supplied"); | ||
| } | ||
| this.name = name; | ||
| this.enterpriseNumber = enterpriseNumber; | ||
| String id = enterpriseNumber < 0 ? name : name + "@" + enterpriseNumber; | ||
| if (id.length() > 32) { | ||
| throw new IllegalArgumentException("Length of id exceeds maximum of 32 characters: " + id); | ||
| } | ||
| this.required = required; | ||
| this.optional = optional; | ||
| } | ||
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| public StructuredDataId makeId(StructuredDataId id) { | ||
| if (id == null) { | ||
| return this; | ||
| } | ||
| return makeId(id.getName(), id.getEnterpriseNumber()); | ||
| } | ||
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| public StructuredDataId makeId(String defaultId, int enterpriseNumber) { | ||
| String id; | ||
| String[] req; | ||
| String[] opt; | ||
| if (enterpriseNumber <= 0) { | ||
| return this; | ||
| } | ||
| if (this.name != null) { | ||
| id = this.name; | ||
| req = this.required; | ||
| opt = this.optional; | ||
| } else { | ||
| id = defaultId; | ||
| req = null; | ||
| opt = null; | ||
| } | ||
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| return new StructuredDataId(id, enterpriseNumber, req, opt); | ||
| } | ||
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| public String[] getRequired() { | ||
| return required; | ||
| } | ||
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| public String[] getOptional() { | ||
| return optional; | ||
| } | ||
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| public String getName() { | ||
| return name; | ||
| } | ||
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| public int getEnterpriseNumber() { | ||
| return enterpriseNumber; | ||
| } | ||
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| public boolean isReserved() { | ||
| return enterpriseNumber <= 0; | ||
| } | ||
|
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| public String toString() { | ||
| return isReserved() ? name : name + "@" + enterpriseNumber; | ||
| } | ||
| } |
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