Package opennlp.tools.util
Class DownloadUtil
java.lang.Object
opennlp.tools.util.DownloadUtil
This class facilitates the downloading of pretrained OpenNLP models.
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Nested Class Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionstatic <T extends BaseModel>
TdownloadModel(String language, DownloadUtil.ModelType modelType, Class<T> type) Triggers a download for the specifiedDownloadUtil.ModelType.static <T extends BaseModel>
TdownloadModel(URL url, Class<T> type) Downloads a model from aURL.static Map<String,Map<DownloadUtil.ModelType, String>>
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Constructor Details
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DownloadUtil
public DownloadUtil()
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Method Details
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downloadModel
public static <T extends BaseModel> T downloadModel(String language, DownloadUtil.ModelType modelType, Class<T> type) throws IOException Triggers a download for the specifiedDownloadUtil.ModelType.- Type Parameters:
T- The generic type which is a subclass ofBaseModel.- Parameters:
language- The ISO language code of the requested model.modelType- Thetypeof model.type- The class of the resulting model.- Returns:
- A model instance of type
DownloadUtil. - Throws:
IOException- Thrown if IO errors occurred or the model is invalid.
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downloadModel
Downloads a model from aURL.The model is saved to an
.opennlp/directory located in the user's home directory. This directory will be created if it does not already exist. If a model to be downloaded already exists in that directory, the model will not be re-downloaded.- Type Parameters:
T- The generic type which is a subclass ofBaseModel.- Parameters:
url- The model'sURL.type- The class of the resulting modelDownloadUtil.- Returns:
- A model instance of type
DownloadUtil. - Throws:
IOException- Thrown if the model cannot be downloaded.
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getAvailableModels
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