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- package org.apache.archiva.policies;
-
- /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- */
-
- import org.apache.commons.lang.StringUtils;
- import org.springframework.stereotype.Service;
-
- import java.io.File;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Map;
- import java.util.Properties;
-
- /**
- * PropagateErrorsPolicy - a policy applied on error to determine how to treat the error.
- */
- @Service( "downloadErrorPolicy#propagate-errors-on-update" )
- public class PropagateErrorsOnUpdateDownloadPolicy
- implements DownloadErrorPolicy
- {
- /**
- * Signifies any error should cause a failure whether the artifact is already present or not.
- */
- public static final String ALWAYS = "always";
-
- /**
- * Signifies any error should cause a failure only if the artifact is not already present.
- */
- public static final String NOT_PRESENT = "artifact not already present";
-
- private List<String> options = new ArrayList<>( 2 );
-
- public PropagateErrorsOnUpdateDownloadPolicy()
- {
- options.add( ALWAYS );
- options.add( NOT_PRESENT );
- }
-
- public boolean applyPolicy( String policySetting, Properties request, File localFile, Exception exception,
- Map<String, Exception> previousExceptions )
- throws PolicyConfigurationException
- {
- if ( !options.contains( policySetting ) )
- {
- // Not a valid code.
- throw new PolicyConfigurationException(
- "Unknown error policy setting [" + policySetting + "], valid settings are [" + StringUtils.join(
- options.iterator(), "," ) + "]" );
- }
-
- if ( ALWAYS.equals( policySetting ) )
- {
- // throw ther exception regardless
- return true;
- }
-
- if ( NOT_PRESENT.equals( policySetting ) )
- {
- // cancel the exception if the file exists
- return !localFile.exists();
- }
-
- throw new PolicyConfigurationException(
- "Unable to process checksum policy of [" + policySetting + "], please file a bug report." );
- }
-
- public String getDefaultOption()
- {
- return NOT_PRESENT;
- }
-
- public String getId()
- {
- return "propagate-errors-on-update";
- }
-
- public String getName()
- {
- return "Return error when";
- }
-
- public List<String> getOptions()
- {
- return options;
- }
- }
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