org.jboss.errai.common.metadata.ErraiPropertyScanner.java Source code

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Here is the source code for org.jboss.errai.common.metadata.ErraiPropertyScanner.java

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/*
 * Copyright 2009 JBoss, a divison Red Hat, Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.errai.common.metadata;

import com.google.common.base.Predicate;
import com.google.common.collect.Multimap;
import org.jboss.errai.reflections.scanners.AbstractScanner;
import org.jboss.errai.reflections.vfs.Vfs;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class ErraiPropertyScanner extends AbstractScanner {
    Predicate<String> predicate;

    public ErraiPropertyScanner(final Predicate<String> predicate) {
        this.predicate = predicate;
    }

    public boolean acceptsInput(final String file) {
        return predicate.apply(file);
    }

    public void scan(final Vfs.File file) {
        try {
            final Properties properties = new Properties();
            properties.load(file.openInputStream());

            final Multimap<String, String> store = getStore();
            for (final Map.Entry<Object, Object> entry : properties.entrySet()) {
                store.put((String) entry.getKey(), (String) entry.getValue());
            }
        } catch (IOException e) {
            throw new RuntimeException("Failed to load properties: " + file.getFullPath(), e);
        }
    }

    public void scan(final Object cls) {
        throw new UnsupportedOperationException(); //shouldn't get here
    }

    public Multimap<String, String> getProperties() {
        return getStore();
    }
}