org.commonjava.aprox.dotmaven.util.NameUtils.java Source code

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Here is the source code for org.commonjava.aprox.dotmaven.util.NameUtils.java

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/**
 * Copyright (C) 2011 Red Hat, Inc. (jdcasey@commonjava.org)
 *
 * 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.commonjava.aprox.dotmaven.util;

import static org.apache.commons.lang.StringUtils.join;

import java.io.File;

import org.commonjava.aprox.model.core.StoreKey;
import org.commonjava.aprox.model.core.StoreType;

public final class NameUtils {

    private static final String[] BANNED_RESOURCE_PATTERNS = { "\\/?\\..+", };

    private NameUtils() {
    }

    public static boolean isValidResource(final String name) {
        final File f = new File(name);
        final String fname = f.getName();
        for (final String bannedPattern : BANNED_RESOURCE_PATTERNS) {
            if (name.matches(bannedPattern) || fname.matches(bannedPattern)) {
                return false;
            }
        }

        return true;
    }

    public static String makePath(final String[] parts, final int startingPos) {
        final String[] pathParts = new String[parts.length - startingPos];
        System.arraycopy(parts, startingPos, pathParts, 0, pathParts.length);
        return join(pathParts, "/");
    }

    public static String appendPath(final String base, final String... parts) {
        final StringBuilder sb = new StringBuilder();
        sb.append(base);
        for (final String part : parts) {
            if (sb.charAt(sb.length() - 1) == '/') {
                sb.setLength(sb.length() - 1);
            }

            if (!part.startsWith("/")) {
                sb.append("/");
            }

            sb.append(part);
        }

        return sb.toString();
    }

    public static String trimLeadingSlash(final String childName) {
        String name = childName;
        if (name.startsWith("/")) {
            if (name.length() > 1) {
                name = name.substring(1);
            } else {
                name = null;
            }
        }

        return name;
    }

    public static String formatSettingsResourceName(final StoreKey key) {
        return formatSettingsResourceName(key.getType(), key.getName());
    }

    public static String formatSettingsResourceName(final StoreType type, final String name) {
        return "settings-" + name + ".xml";
    }

}