Example usage for org.apache.commons.configuration PropertiesConfigurationLayout getKeys

Introduction

In this page you can find the example usage for org.apache.commons.configuration PropertiesConfigurationLayout getKeys.

Prototype

public Set getKeys() 

Source Link

Document

Returns a set with all property keys managed by this object.

Usage

From source file:com.francetelecom.clara.cloud.logicalmodel.LogicalConfigServiceUtils.java

/**
 *
 *
 * @param reader/*from  w  w w  .j a  v  a 2s  . com*/
 * @return
 */
public StructuredLogicalConfigServiceContent parseConfigContent(Reader reader)
        throws InvalidConfigServiceException {
    List<ConfigEntry> parsedEntries = new ArrayList<ConfigEntry>();
    PropertiesConfiguration propertiesConfiguration = new PropertiesConfiguration();

    try {
        propertiesConfiguration.load(reader);
    } catch (ConfigurationException e) {
        InvalidConfigServiceException invalidConfigServiceException = new InvalidConfigServiceException(
                "Invalid config content. Caught:" + e, e);
        throw invalidConfigServiceException;
    }
    PropertiesConfigurationLayout layout = propertiesConfiguration.getLayout();
    String headerComment = layout.getHeaderComment();

    Set<String> keys = layout.getKeys();
    Set<String> duplicates = new HashSet<String>();
    for (String key : keys) {
        String comment = layout.getComment(key);
        if (comment != null) {
            comment = escapesPoundsInComments(comment);
        }
        if (!layout.isSingleLine(key)) {
            //reject the duplicate key
            duplicates.add(key);
        } else {
            String value = propertiesConfiguration.getString(key);
            parsedEntries.add(new ConfigEntry(key, value, comment));
        }
    }

    if (duplicates.size() > 0) {
        InvalidConfigServiceException invalidConfigServiceException = new InvalidConfigServiceException(
                "Collisions! " + duplicates);
        invalidConfigServiceException.setType(ErrorType.DUPLICATE_KEYS);
        invalidConfigServiceException.getDuplicateKeys().addAll(duplicates);
        throw invalidConfigServiceException;
    }

    List<ConfigEntry> configEntries = parsedEntries;
    StructuredLogicalConfigServiceContent structuredLogicalConfigServiceContent = new StructuredLogicalConfigServiceContent(
            headerComment, configEntries);
    return structuredLogicalConfigServiceContent;
}

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