Example usage for org.eclipse.jdt.internal.core JavaModelManager DEPRECATED_OPTION

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core JavaModelManager DEPRECATED_OPTION.

Prototype

int DEPRECATED_OPTION

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Usage

From source file:org.eclipse.jdt.internal.core.JavaModelManager.java

License:Open Source License

/**
 * Store the preferences value for the given option name.
 *
 * @param optionName The name of the option
 * @param optionValue The value of the option. If <code>null</code>, then
 *    the option will be removed from the preferences instead.
 * @param eclipsePreferences The eclipse preferences to be updated
 * @return <code>true</code> if the preferences have been changed,
 *    <code>false</code> otherwise.
 */// w w  w  .ja v a2s .  c o  m
public boolean storePreference(String optionName, String optionValue, IEclipsePreferences eclipsePreferences) {
    int optionLevel = this.getOptionLevel(optionName);
    if (optionLevel == UNKNOWN_OPTION)
        return false; // unrecognized option

    // Store option value
    switch (optionLevel) {
    case JavaModelManager.VALID_OPTION:
        if (optionValue == null) {
            eclipsePreferences.remove(optionName);
        } else {
            eclipsePreferences.put(optionName, optionValue);
        }
        break;
    case JavaModelManager.DEPRECATED_OPTION:
        // Try to migrate deprecated option
        eclipsePreferences.remove(optionName); // get rid off old preference
        String[] compatibleOptions = (String[]) this.deprecatedOptions.get(optionName);
        for (int co = 0, length = compatibleOptions.length; co < length; co++) {
            if (optionValue == null) {
                eclipsePreferences.remove(compatibleOptions[co]);
            } else {
                eclipsePreferences.put(compatibleOptions[co], optionValue);
            }
        }
        break;
    default:
        return false;
    }
    return true;
}

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