gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / service / AbstractService.java @ 1361
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| 1 | 802 | cordinyana | /**
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| 2 | * gvSIG. Desktop Geographic Information System.
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| 3 | 18 | cordinyana | *
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| 4 | 802 | cordinyana | * Copyright (C) 2007-2013 gvSIG Association.
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| 5 | *
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| 6 | 18 | cordinyana | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | 802 | cordinyana | *
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| 11 | 18 | cordinyana | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | 802 | cordinyana | *
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| 16 | 18 | cordinyana | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | 802 | cordinyana | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 19 | 18 | cordinyana | * MA 02110-1301, USA.
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| 20 | 802 | cordinyana | *
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| 21 | * For any additional information, do not hesitate to contact us
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| 22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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| 23 | 18 | cordinyana | */
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| 24 | /*
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| 25 | * AUTHORS (In addition to CIT):
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| 26 | * 2009 {} {{Task}}
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| 27 | */
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| 28 | package org.gvsig.tools.service; |
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| 29 | |||
| 30 | import org.gvsig.tools.dynobject.DynObject; |
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| 31 | 69 | jbadia | import org.gvsig.tools.service.spi.AbstractProviderServices; |
| 32 | 18 | cordinyana | import org.gvsig.tools.service.spi.Provider; |
| 33 | import org.gvsig.tools.service.spi.ProviderManager; |
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| 34 | import org.gvsig.tools.service.spi.ProviderServices; |
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| 35 | |||
| 36 | /**
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| 37 | * {@link Service} base parent implementation, delegating in the child classes
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| 38 | * the retrieval of the {@link ProviderManager}.
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| 39 | *
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| 40 | 69 | jbadia | * @author 2009- <a href="cordinyana@gvsig.org">C�sar Ordi�ana</a> - gvSIG team
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| 41 | 18 | cordinyana | */
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| 42 | public abstract class AbstractService implements Service { |
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| 43 | |||
| 44 | private DynObject serviceParameters;
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| 45 | private ProviderServices providerServices;
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| 46 | private Provider provider; |
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| 47 | |||
| 48 | /**
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| 49 | * Empty constructor to be used only for persistence purposes.
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| 50 | */
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| 51 | public AbstractService() {
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| 52 | // Nothing to do
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| 53 | } |
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| 54 | |||
| 55 | /**
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| 56 | * Creates a new {@link AbstractService}.
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| 57 | *
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| 58 | * @param serviceParameters
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| 59 | * the parameters of the current service
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| 60 | * @throws ServiceException
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| 61 | * if there is an error with the parameters
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| 62 | */
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| 63 | public AbstractService(DynObject serviceParameters) throws ServiceException { |
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| 64 | init(serviceParameters, createProviderServices()); |
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| 65 | } |
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| 66 | |||
| 67 | /**
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| 68 | * Returns the service parameters this services was created with
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| 69 | *
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| 70 | * @return the service parameters
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| 71 | */
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| 72 | 69 | jbadia | public DynObject getServiceParameters() {
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| 73 | 18 | cordinyana | return serviceParameters;
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| 74 | } |
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| 75 | |||
| 76 | /**
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| 77 | * Initialices the service.
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| 78 | *
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| 79 | * @param serviceParameters
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| 80 | * the service parameters
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| 81 | * @param providerServices
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| 82 | * the provider services
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| 83 | * @throws ServiceException
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| 84 | * thrown while creating the provider
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| 85 | */
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| 86 | protected void init(DynObject serviceParameters, |
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| 87 | ProviderServices providerServices) throws ServiceException {
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| 88 | setServiceParameters(serviceParameters); |
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| 89 | setProviderServices(providerServices); |
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| 90 | setProvider(createProvider(serviceParameters)); |
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| 91 | 69 | jbadia | ((AbstractProviderServices)providerServices).setService(this);
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| 92 | 18 | cordinyana | } |
| 93 | |||
| 94 | /**
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| 95 | * Returns the provider related to this service.
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| 96 | *
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| 97 | * @return the provider
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| 98 | */
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| 99 | protected Provider getProvider() { |
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| 100 | return provider;
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| 101 | } |
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| 102 | |||
| 103 | /**
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| 104 | * Returns the provider services to be used by the provider of this service.
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| 105 | *
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| 106 | * @return the provider services
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| 107 | */
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| 108 | protected ProviderServices getProviderServices() {
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| 109 | return providerServices;
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| 110 | } |
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| 111 | |||
| 112 | /**
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| 113 | * Returns the reference to the {@link ProviderManager}.
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| 114 | *
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| 115 | * @return the ProviderManager
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| 116 | */
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| 117 | protected abstract ProviderManager getProviderManager(); |
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| 118 | |||
| 119 | private void setServiceParameters(DynObject serviceParameters) { |
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| 120 | this.serviceParameters = serviceParameters;
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| 121 | } |
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| 122 | |||
| 123 | private void setProvider(Provider provider) { |
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| 124 | this.provider = provider;
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| 125 | } |
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| 126 | |||
| 127 | private Provider createProvider(DynObject serviceParameters) |
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| 128 | throws ServiceException {
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| 129 | return getProviderManager().createProvider(serviceParameters,
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| 130 | providerServices); |
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| 131 | } |
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| 132 | |||
| 133 | private ProviderServices createProviderServices() {
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| 134 | return getProviderManager().createProviderServices(this); |
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| 135 | } |
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| 136 | |||
| 137 | private void setProviderServices(ProviderServices providerServices) { |
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| 138 | this.providerServices = providerServices;
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| 139 | } |
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| 140 | } |